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A checklist of the ants (Hymenoptera: Formicidae) of the department of Antioquia, Colombia and new records for the country

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Received for publication: 18 October, 2013. Accepted for publication: 1 November, 2013. 1 Master of Museology, Universidad Nacional de Colombia. Bogota (Colombia). 2 Grupo Sistemática de Insectos Agronomía (SIA), Museo Entomológico Universidad Nacional Agronomía Bogotá (UNAB). Faculty of Agricultural Sci- ences, Universidad Nacional de Colombia. Bogota (Colombia). jsernac@unal.edu.co. 3 Department of Biological Sciences, he University of Texas at El Paso. El Paso (TX, USA). Agronomía Colombiana 31(3), 324-342, 2013 A checklist of the ants (Hymenoptera: Formicidae) of the department of Antioquia, Colombia and new records for the country Lista de las hormigas (Hymenoptera: Formicidae) del departamento de Antioquia, Colombia, y nuevos registros para el país Erika Valentina Vergara-Navarro 1, 2 and Francisco Serna 2, 3 ABSTRACT RESUMEN Antioquia is a state (department) of Colombia, located in the northwestern Andes of South America. Geologically, the north- western region of the Western Range in Antioquia and Chocó includes the fault resulting from the connection between the Isthmus of Panamá and South America. he Occidental and Central cordilleras in Colombia are characterized by a num- ber of reliefs, valleys and water basins, containing historical biological refuges and endemisms. In this study, we present the irst species-level checklist of the 255 species (in 64 genera and 14 subfamilies) of ants currently known in Antioquia. One hundred and ity-two (152) species had previously been regis- tered for the state in diferent publications. Here, 103 additional species are recognized. Most of these species are distributed in other bioregions of the country as well. Forty-six percent are present in the Amazon Province and 36% in the Colombian Orinoco River basin. Less than 3% are found in the arid lands of the Colombian Caribbean area, Guyana, and the Colombian Paciic Province, plus the Caribbean islands. Sixty-three percent of the species are shared with Costa Rica. Our checklist consti- tutes the largest roster of ants at the species level for a state in Colombia to date and constitutes the beginning of the assess- ment of ant diversity in Antioquia. Many more ield trips are necessary to gain a better understanding of the ant composition of this state. he following 13 species are new to t he records for Colombia: Azteca diabolica, Camponotus amoris, C. eurynotus, C. pachylepis, C. propinquus, C. tonduzi, Cerapachys toltecus, Cylindromyrmex whymperi, Myrmicocrypta urichi, Pheidole angulifera, Pseudomyrmex lisus, Solenopsis subterranea and Trachymyrmex zeteki. Antioquia es un departamento de Colombia localizado en los Andes más noroccidentales de Suramérica. Geológicamente, la región noroccidental de la Cordillera Occidental en Antioquia y Chocó contiene la falla resultante de la unión entre el Istmo de Panamá y Sudamérica. Las cordilleras Occidental y Central de Colombia se caracterizan por presentar una cantidad impor- tante de relieves, valles y cuencas hidrográicas compuestas por refugios biológicos históricos y endemismos. En este estudio se presenta la primera lista de las 255 especies (64 géneros, 14 sub- familias) de hormigas hasta ahora conocidas para Antioquia. Ciento cincuenta y dos (152) especies están previamente regis- tradas en diferentes publicaciones. Aquí se reconocen otras 103 especies. La mayoría de las especies están también distribuidas en otras biorregiones del país. Cuarenta y seis por ciento de las especies también se presentan en la provincia del Amazonas, y 36% también en la Orinoquía. Menos del 3% son compartidas con las tierras áridas del Caribe colombiano, Provincia de la Guyana y las islas colombianas del Pacíico y el Caribe. Sesenta y tres porciento de las especies se comparten con Costa Rica. Esta lista constituye el mayor registro de hormigas al nivel de especie para un departamento de Colombia; aun así, éste es el inicio de la estimación de la diversidad de especies de hormigas de Antioquia. Muchos más trabajos de campo son necesarios para alcanzar un mejor entendimiento de la composición de la mirmecofauna de este departamento. Las siguientes 13 es- pecies son nuevos registros para Colombia: Azteca diabolica, Camponotus amoris, C. eurynotus, C. pachylepis, C. propinquus, C. tonduzi, Cerapachys toltecus, Cylindromyrmex whymperi, Myrmicocrypta urichi, Pheidole angulifera, Pseudomyrmex lisus, Solenopsis subterranea and Trachymyrmex zeteki. Key words: taxonomy, composition, biodiversity, biogeography. Palabras clave: taxonomía, composición, biodiversidad, biogeografía. CRoP PRoTECTioN introduction he recognition of species is a primary necessity in biology. Studies and programs in developmental, conservation and applied biology require taxonomy as a scientiic founda- tion. Species possess unique biological characteristics with regards to distribution, ecology, and behavior. Ecological conclusions are partial or distorted if taxonomic informa- tion is incomplete (Prance, 1986; Vélez, 1990).
325 Vergara-Navarro and Serna: A checklist of the ants (Hymenoptera: Formicidae) of the department of Antioquia, Colombia and new records for the country Out of the 21 worldwide ant subfamilies, 15 are recognized as being from the Neotropics, including Agroecomyr- mecinae, Amblyoponinae, Paraponerinae, Ponerinae, Pro- ceratiinae, Cerapachyinae, Ecitoninae, Leptanilloidinae, Pseudomyrmecinae, Dolichoderinae, Ectatomminae, Het- eroponerinae, Formicinae, Martialinae, and Myrmicinae (Bolton, 2003; Ward 2007). Within these subfamilies, 123 genera and 3,100 species are recognized as belonging to the Neotropics (Fernández and Sendoya, 2004). Colombia contains 14 subfamilies, 99 genera, and 806 species of ants (Fernández et al., 1996a, 1996b; Fernández and Baena, 1997; Palacio, 1997; Brandão et al., 1999; Fernández and Palacio, 1999; Ward, 1999; Fernández, 2000, 2001, 2002a, 2002b, 2004a, 2004b; Longino and Snelling, 2002; Serna, 2002; Arias-Penna, 2003, 2006, 2007; Wilson, 2003; Zabala et al., 2003, 2006; LaPolla, 2004; Feitosa and Brandão, 2008; Guerrero and Olivero, 2007; Lattke et al., 2007a,b; Longino, 2007; Mackay et al., 2007; Sossa-Calvo and Longino 2007; Vergara-Navarro et al., 2007; Wild, 2007; Fernández and Guerrero, 2008; Guerrero and Fernández, 2008; Fernández and Wilson, 2008; Galvis and Fernández, 2009; Guerrero, 2009; Guerrero et al., 2010; Guerrero and Sanabria, 2011). he irst ant checklist for Colombia was published by Fernández et al. (1996b). For a particular state, Chacón de Ulloa et al. (1996) produced a list of 94 ant species for Valle del Cauca, another Colombian state south of Antioquia. Antioquia is a state (department) of Colombia, located in the northwestern Andean region of the country, in the northwestern Andes of South America (Fig. 1). Antioquia is part of the Colombian Andean block, where tectonic forces are released as a result of the collision of the Nazca, Caribbean, and South America plates. A subduction zone between the Nazca and South America plates formed the Western Range (Toro-Villegas, 2006; IGAC, 2007). he northwestern region of the Western Range in the states of Antioquia and Chocó (Colombia) contains the fault result- ing from the connection between the Isthmus of Panamá and South America (Parra, pers. comm. 2011). he Western Range is the new continental border with the Paciic Ocean. he Antioquian territory and its location are the result of diferent conluent rock systems. he rocks were shaped through diferent geological periods, including the Pre- cambrian, Proterozoic, Paleozoic, Mesozoic, and Cenozoic periods (Toro-Villegas, 2006). he state occupies an area of approximately 63,000 km 2 and comprises almost 6% of the Colombian territory. Eighty- ive percent of the state is conigured as mountains ranges (IGAC, 2007). From the Southern to Northern Andes, two mountain ranges (Western and Central) enter Antioquia, separated by the Cauca River. he western range branches northward into three distinct serranías (mountain ranges): Abibe (western), San Jerónimo (central) and Ayapel (east- ern). he Central Cordillera branches into two mountain ranges separated by the Porce River, forming a U-shaped valley where the city of Medellín is situated. he valleys formed by the Cauca and Magdalena Rivers in Antioquia are located at around of 1,000 m a.s.l. he Central Cordil- lera fades out northward into the serranía of San Lucas in Southern Bolivar, a state east of Antioquia. he Occidental and Central cordilleras are characterized by a number of reliefs, valleys and water basins containing historical bio- logical refuges and endemisms (Espinal, 1992; Hernández et al., 1992; Lozano-Zambrano et al., 2007; IGAC, 2007). Antioquia is considered to be part of the biogeographical provinces of Chocó, Magdalena, and Cauca (Morrone, 2006). From an administrative point of view, Antioquia encompasses nine subregions, with 125 municipalities (SAA, 2002; IGAC, 2007). In the pertinent literature, 152 recorded species of ants from Antioquia were found, belonging to 48 genera and 11 subfamilies (Weber, 1940; Brown, 1965; Kempf, 1972; Fernández, 1990, 1991; Schneider, 1990; Fernández et al., 1996b; Lattke, 1997; Brandão et al., 1999; Palacio, 1999; Serna, 1999; Yepes et al., 1999; Ward, 1999; Gómez, 2001; Serna and Vergara-Navarro, 2001; 2007a, 2007b; Cárdenas, 2002; Longino and Snelling, 2002; Serna, 2002; Toro, 2002; Longino 2003; Wilson, 2003; LaPolla, 2004; Vahos, 2004; Aponte-Cubides, 2006; Zabala et al., 2006; Arias-Penna, 2007; Lattke et al., 2007a, 2007b; Mackay et al., 2007; Sossa-Calvo and Longino, 2007; Vergara-Navarro et al., 2007; Wild, 2007). Some of the aforementioned studies involved the recognition of a new species, Octostruma impressa (Myrmicinae) (Palacio, 1997), and two recent species were registered for Colombia: Stegomyrmex manni (Myrmicinae) (Serna, 2002), and Leptanilloides biconstricta (Leptanilloidinae) (Zabala et al., 2006). FigURE 1. Location of the state of Antioquia, Colombia. Antioquia Colombia
CRoP PRoTECTioN A checklist of the ants (Hymenoptera: Formicidae) of the department of Antioquia, Colombia and new records for the country Lista de las hormigas (Hymenoptera: Formicidae) del departamento de Antioquia, Colombia, y nuevos registros para el país Erika Valentina Vergara-Navarro1, 2 and Francisco Serna2, 3 ABSTRACT RESUMEN Antioquia is a state (department) of Colombia, located in the northwestern Andes of South America. Geologically, the northwestern region of the Western Range in Antioquia and Chocó includes the fault resulting from the connection between the Isthmus of Panamá and South America. he Occidental and Central cordilleras in Colombia are characterized by a number of reliefs, valleys and water basins, containing historical biological refuges and endemisms. In this study, we present the irst species-level checklist of the 255 species (in 64 genera and 14 subfamilies) of ants currently known in Antioquia. One hundred and ity-two (152) species had previously been registered for the state in diferent publications. Here, 103 additional species are recognized. Most of these species are distributed in other bioregions of the country as well. Forty-six percent are present in the Amazon Province and 36% in the Colombian Orinoco River basin. Less than 3% are found in the arid lands of the Colombian Caribbean area, Guyana, and the Colombian Paciic Province, plus the Caribbean islands. Sixty-three percent of the species are shared with Costa Rica. Our checklist constitutes the largest roster of ants at the species level for a state in Colombia to date and constitutes the beginning of the assessment of ant diversity in Antioquia. Many more ield trips are necessary to gain a better understanding of the ant composition of this state. he following 13 species are new to the records for Colombia: Azteca diabolica, Camponotus amoris, C. eurynotus, C. pachylepis, C. propinquus, C. tonduzi, Cerapachys toltecus, Cylindromyrmex whymperi, Myrmicocrypta urichi, Pheidole angulifera, Pseudomyrmex lisus, Solenopsis subterranea and Trachymyrmex zeteki. Antioquia es un departamento de Colombia localizado en los Andes más noroccidentales de Suramérica. Geológicamente, la región noroccidental de la Cordillera Occidental en Antioquia y Chocó contiene la falla resultante de la unión entre el Istmo de Panamá y Sudamérica. Las cordilleras Occidental y Central de Colombia se caracterizan por presentar una cantidad importante de relieves, valles y cuencas hidrográicas compuestas por refugios biológicos históricos y endemismos. En este estudio se presenta la primera lista de las 255 especies (64 géneros, 14 subfamilias) de hormigas hasta ahora conocidas para Antioquia. Ciento cincuenta y dos (152) especies están previamente registradas en diferentes publicaciones. Aquí se reconocen otras 103 especies. La mayoría de las especies están también distribuidas en otras biorregiones del país. Cuarenta y seis por ciento de las especies también se presentan en la provincia del Amazonas, y 36% también en la Orinoquía. Menos del 3% son compartidas con las tierras áridas del Caribe colombiano, Provincia de la Guyana y las islas colombianas del Pacíico y el Caribe. Sesenta y tres porciento de las especies se comparten con Costa Rica. Esta lista constituye el mayor registro de hormigas al nivel de especie para un departamento de Colombia; aun así, éste es el inicio de la estimación de la diversidad de especies de hormigas de Antioquia. Muchos más trabajos de campo son necesarios para alcanzar un mejor entendimiento de la composición de la mirmecofauna de este departamento. Las siguientes 13 especies son nuevos registros para Colombia: Azteca diabolica, Camponotus amoris, C. eurynotus, C. pachylepis, C. propinquus, C. tonduzi, Cerapachys toltecus, Cylindromyrmex whymperi, Myrmicocrypta urichi, Pheidole angulifera, Pseudomyrmex lisus, Solenopsis subterranea and Trachymyrmex zeteki. Key words: taxonomy, composition, biodiversity, biogeography. Palabras clave: taxonomía, composición, biodiversidad, biogeografía. introduction he recognition of species is a primary necessity in biology. Studies and programs in developmental, conservation and applied biology require taxonomy as a scientiic founda- tion. Species possess unique biological characteristics with regards to distribution, ecology, and behavior. Ecological conclusions are partial or distorted if taxonomic information is incomplete (Prance, 1986; Vélez, 1990). Received for publication: 18 October, 2013. Accepted for publication: 1 November, 2013. 1 2 3 Master of Museology, Universidad Nacional de Colombia. Bogota (Colombia). Grupo Sistemática de Insectos Agronomía (SIA), Museo Entomológico Universidad Nacional Agronomía Bogotá (UNAB). Faculty of Agricultural Sciences, Universidad Nacional de Colombia. Bogota (Colombia). jsernac@unal.edu.co. Department of Biological Sciences, he University of Texas at El Paso. El Paso (TX, USA). Agronomía Colombiana 31(3), 324-342, 2013 Out of the 21 worldwide ant subfamilies, 15 are recognized as being from the Neotropics, including Agroecomyrmecinae, Amblyoponinae, Paraponerinae, Ponerinae, Proceratiinae, Cerapachyinae, Ecitoninae, Leptanilloidinae, Pseudomyrmecinae, Dolichoderinae, Ectatomminae, Heteroponerinae, Formicinae, Martialinae, and Myrmicinae (Bolton, 2003; Ward 2007). Within these subfamilies, 123 genera and 3,100 species are recognized as belonging to the Neotropics (Fernández and Sendoya, 2004). Colombia contains 14 subfamilies, 99 genera, and 806 species of ants (Fernández et al., 1996a, 1996b; Fernández and Baena, 1997; Palacio, 1997; Brandão et al., 1999; Fernández and Palacio, 1999; Ward, 1999; Fernández, 2000, 2001, 2002a, 2002b, 2004a, 2004b; Longino and Snelling, 2002; Serna, 2002; Arias-Penna, 2003, 2006, 2007; Wilson, 2003; Zabala et al., 2003, 2006; LaPolla, 2004; Feitosa and Brandão, 2008; Guerrero and Olivero, 2007; Lattke et al., 2007a,b; Longino, 2007; Mackay et al., 2007; Sossa-Calvo and Longino 2007; Vergara-Navarro et al., 2007; Wild, 2007; Fernández and Guerrero, 2008; Guerrero and Fernández, 2008; Fernández and Wilson, 2008; Galvis and Fernández, 2009; Guerrero, 2009; Guerrero et al., 2010; Guerrero and Sanabria, 2011). he irst ant checklist for Colombia was published by Fernández et al. (1996b). For a particular state, Chacón de Ulloa et al. (1996) produced a list of 94 ant species for Valle del Cauca, another Colombian state south of Antioquia. Antioquia is a state (department) of Colombia, located in the northwestern Andean region of the country, in the northwestern Andes of South America (Fig. 1). Antioquia is part of the Colombian Andean block, where tectonic forces are released as a result of the collision of the Nazca, Caribbean, and South America plates. A subduction zone between the Nazca and South America plates formed the Western Range (Toro-Villegas, 2006; IGAC, 2007). he northwestern region of the Western Range in the states of Antioquia and Chocó (Colombia) contains the fault resulting from the connection between the Isthmus of Panamá and South America (Parra, pers. comm. 2011). he Western Range is the new continental border with the Paciic Ocean. he Antioquian territory and its location are the result of diferent conluent rock systems. he rocks were shaped through diferent geological periods, including the Precambrian, Proterozoic, Paleozoic, Mesozoic, and Cenozoic periods (Toro-Villegas, 2006). he state occupies an area of approximately 63,000 km2 and comprises almost 6% of the Colombian territory. Eightyive percent of the state is conigured as mountains ranges (IGAC, 2007). From the Southern to Northern Andes, two Antioquia Colombia FigURE 1. Location of the state of Antioquia, Colombia. mountain ranges (Western and Central) enter Antioquia, separated by the Cauca River. he western range branches northward into three distinct serranías (mountain ranges): Abibe (western), San Jerónimo (central) and Ayapel (eastern). he Central Cordillera branches into two mountain ranges separated by the Porce River, forming a U-shaped valley where the city of Medellín is situated. he valleys formed by the Cauca and Magdalena Rivers in Antioquia are located at around of 1,000 m a.s.l. he Central Cordillera fades out northward into the serranía of San Lucas in Southern Bolivar, a state east of Antioquia. he Occidental and Central cordilleras are characterized by a number of reliefs, valleys and water basins containing historical biological refuges and endemisms (Espinal, 1992; Hernández et al., 1992; Lozano-Zambrano et al., 2007; IGAC, 2007). Antioquia is considered to be part of the biogeographical provinces of Chocó, Magdalena, and Cauca (Morrone, 2006). From an administrative point of view, Antioquia encompasses nine subregions, with 125 municipalities (SAA, 2002; IGAC, 2007). In the pertinent literature, 152 recorded species of ants from Antioquia were found, belonging to 48 genera and 11 subfamilies (Weber, 1940; Brown, 1965; Kempf, 1972; Fernández, 1990, 1991; Schneider, 1990; Fernández et al., 1996b; Lattke, 1997; Brandão et al., 1999; Palacio, 1999; Serna, 1999; Yepes et al., 1999; Ward, 1999; Gómez, 2001; Serna and Vergara-Navarro, 2001; 2007a, 2007b; Cárdenas, 2002; Longino and Snelling, 2002; Serna, 2002; Toro, 2002; Longino 2003; Wilson, 2003; LaPolla, 2004; Vahos, 2004; Aponte-Cubides, 2006; Zabala et al., 2006; Arias-Penna, 2007; Lattke et al., 2007a, 2007b; Mackay et al., 2007; Sossa-Calvo and Longino, 2007; Vergara-Navarro et al., 2007; Wild, 2007). Some of the aforementioned studies involved the recognition of a new species, Octostruma impressa (Myrmicinae) (Palacio, 1997), and two recent species were registered for Colombia: Stegomyrmex manni (Myrmicinae) (Serna, 2002), and Leptanilloides biconstricta (Leptanilloidinae) (Zabala et al., 2006). Vergara-Navarro and Serna: A checklist of the ants (Hymenoptera: Formicidae) of the department of Antioquia, Colombia and new records for the country 325 Several studies involving ant ecology have recently been carried out in the state, including Vergara-Navarro et al. (2007), Vahos (2004), Serna and Vergara-Navarro (2001, 2007a, 2007b), Toro (2002), Serna (1999), and Amarillo (1999). Despite our knowledge of species records for 75% of the municipalities, collections are still meager and the vast majority of these records does not follow the recommendations for standard ant sampling suggested in the ALL protocol (Alonso and Agosti, 2000). Samplings adhering to the protocol, or nearly so, have been applied in the following localities: Porce, the municipality of Amali (Serna, 1999), Aburrá Valley, municipalities of Medellín and Envigado (Toro, 2002; Vergara-Navarro et al., 2007), and El Retiro (Vahos, 2004). In this paper, based on the project “Ants of Antioquia”, we present an ant checklist from 94 municipalities. he main aim of the present study was to produce the irst taxonomic species-level checklist of the ants in Antioquia. Materials and methods Within the elapsed period of 1995-2010, the authors of the present paper and collaborators collected and identiied ant specimens from diferent localities. For curatorial process of dried and in-alcohol preserved specimens, we followed the standard procedures of the Museo Entomológico UNAB and Lattke (2000). In addition, specimens housed in the following collections were examined: “Museo Entomológico UNAB” (Universidad Nacional Agronomía Bogotá); MEFLG (UNCM) (“Museo Entomológico Francisco Luis Gallego”, Universidad Nacional de Colombia, Medellín); IAvH (“Instituto Alexander von Humboldt”); CEUA (“Colección Entomológica Universidad de Antioquia”); MEPB (“Museo Entomológico Piedras Blancas”); MEMB (“Museo Entomológico Marcial Benavides”); Laboratory of Entomology (Universidad de la Paz, Barrancabermeja); (Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá); MPUJ (“Museo de Historia Natural Pontificia Universidad Javeriana”); MZSP (“Museu de Zoologia da Universidade de São Paulo”); CWEM (William and Emma Mackay Collection, he University of Texas at El Paso, TX). In 1999 and 2000, in the Antioquian localities of Porce, Santo Domingo, and Santa Fé de Antioquia, Serna and Vergara carried out three studies based on the ALL protocol. he results of those studies were included in the present work as well. Specimens representing 70% of the species herein recorded are housed in the UNAB museum. At diferent collections and museums, we were able to examine, compare, and conirm all species herein cited. 326 In this study, previously recorded species were included for Antioquia and the following literature was consulted to identify specimens of diferent subfamilies (Ectatomminae, Paraponerinae, Proceratiinae, Heteroponerinae, Amblyoponinae and Ponerinae): Brown (1958, 1975, 1976), Fernández (1990), Wild (2005), Lattke et al. (2007a,b); Dolichoderinae: Mackay (1993); Formicinae: LaPolla (2004); Myrmicinae: Brandão (1990), Bolton (2000), Longino (2003), and Wilson (2003). For the recognized species, their geographic distribution in Colombia was also of interest, based on the biogeographic units considered by Hernández et al. (1992). For specieslevel identiication, all the Colombian states recorded in the literature were combed. Maps of these states were superimposed onto the biogeographic unit maps of Hernández et al. (1992). Species are recorded for the following biogeographic units of Colombia (see Taxonomic checklist) considered by Hernández et al. (1992): TIOC “Territorios Insulares Oceánicos Caribeños”; TIOP “Territorios Insulares Oceánicos del Paciico”; CAP, “Cinturón Árido Precaribeño”; MSN “Macizo de la Sierra Nevada de Santa Marta”; PCM, “Provincia del Chocó-Magdalena”; PO, “Provincia de la Orinoquía”; PG, “Provincia de la Guyana”; PA, “Provincia de la Amazonía”; and PN, “Provincia Norandina”. Results and discussion Approximately 5,600 specimens were evaluated. In Tab. 1, there is a comparison of genera and species richness for each subfamily involving Antioquia, Colombia and the Neotropics (Hernández et al., 1992; Lozano-Zambrano et al., 2007). It is striking that, excluding Martialinae, the subfamilies recorded for the entire Neotropics are present in Antioquia. Twenty two genera and 91 species are cited here as new records for Antioquia. he composition (ant checklist) of species of Antioquia is included in List 1. In this study, a species-level checklist for the 255 species currently known for Antioquia, Colombia is provided. Considering the few studies carried out to date, this inding represents a signiicant number of species. he composition of species includes 93, 53 and 8% of the subfamilies, genera and species, respectively, known to exist in the Neotropics, and 100, 65 and 30% of the subfamilies, genera and species of Colombia. he subfamily Myrmicinae, with 87 species, constitutes 34% of the species in Antioquia. he poneroid and formicoids, ectaheteromorphs groups, sensu Ward (2007): Amblyoponinae, Ponerinae, Ectatomminae, Heteroponerinae, Paraponerinae, Proceratiinae and Agroecomyrmecinae, account for 18 genera and 68 species (26%). Agron. Colomb. 31(3) 2013 Camponotus (31 species, 12%), Pseudomyrmex (26 species, 10%), and Pachycondyla (20 species, 8%) are the three most represented genera. Fity-nine percent of the species are shared with the North Andean Province (PN), 40% with the Amazon Province (PA), while 35% are shared with the Orinoquia Province (PO). Less than 25% of the species are shared with a belt of arid lands in the Caribbean coast of Colombia, Guyana province, and the island territories. Sixty-three percent of the species of Antioquia are shared with Costa Rica, which is a country in close vicinity and the most consistently ant-surveyed country in Latin American (Longino 2011). Close to 900 species are recorded for Costa Rica and 255 species are herein recorded for Antioquia. Despite the fact that 63% of the ants from Antioquia are shared with Costa Rica, there exists a high likelihood that this shared percentage will be considerably reduced when more ants are identiied and sampling in Antioquia is intensiied. he current wide distribution of several genera considered herein is recorded as the result of the Great American Biotic Interchange of species, ater the closing of the Isthmus of Panama in the late Pliocene Period (Kimsey, 1992). Brown (1973) recorded the following genera moving through the Isthmus as a result of the interchange: Atta, Azteca, Cylindromyrmex, Ectatomma, Acanthoponera, Paraponera, and haumatomyrmex. Lozano-Zambrano et al. (2007) studied the biogeography of the poneroids Paraponera and haumatomyrmex and the formicoids Ectatomminae (Ectatomma included) and Heteroponerinae (Acanthoponera included) in Colombia. Lozano-Zambrano et al. (2007) found that there is not a clear correspondence between their study and Hernández et al. (1992), regarding the Colombian natural regions. here is a separation of two large groups of these ants with 50% similarity between the Andean region, including Biogeographic Chocó (states of Nariño through Antioquia), the Cauca River valley, and the Central and Eastern Mountain Ranges and a second group encompassing Orinoquia and Amazonia. Our study was similar to that of LozanoZambrano et al. (2007) because 40% of the species found in Antioquia (Andean region) are also present in the Amazon (PA) and 35% in Orinoquia (PO). Antioquia was part of the Chocó-Magdalena province (Hernández et al., 1992). his province was subsequently divided into the present-day provinces of Chocó, Magdalena, and Cauca (Morrone, 2006). he Chocó province extends from Ecuador to Panamá, the Magdalena province extends from Colombia to Venezuela, and the Cauca province is comprised of western Colombia and Ecuador (Morrone, 2006). he recent geological events related to the closing of the Panamanian Isthmus, 2.5 mya (millions of years ago), and the elevation of the Andes, which at least for the Eastern Cordillera was no more than 40% of its modern elevation at 4 mya (Gregory-Wodzicki, 2000), possibly account for an early wide-distribution of species in the lowlands and further isolation of the species due to the elevation of the Andes and the climate changes in the Pleistocene Period (Lattke, 2003). Hypothetically, in the eastern territory of Colombia (Orinoquia, Llanos and Amazon), 35% of the species recorded herein and shared among Antioquia (PCM), Orinoquia (PO) and Amazonas (PA) may have been connected when low elevations dominated the landscapes between the Central and Oriental Cordilleras during the middle of the Miocene through the early Pliocene Periods (Gregory-Wodzicki, 2000; Lozano-Zambrano et al., 2007). he strategic geographical location of the state, between the Isthmus of Panama, the Province of Chocó, the Andes Range Mountains, and the Province of Magdalena, provides Antioquia with special conditions for biodiversity. he high representation of ant subfamilies and genera found in this study suggests that Antioquia is a state remarkably rich in species and, therefore, it is necessary to intensify collecting trips to obtain a better understanding of the composition of these lineages in Antioquia and Colombia as a whole. Thirteen species herein encountered for the state of Antioquia are registered for the irst time for Colombia. he data of these new records are as follows: Camponotus amoris. One worker. COLOMBIA. Antioquia: Alejandría, November 1974, R. Vélez (MEFLG). Antioquia: Andes, May 1987, M. Hernández (MEFLG) (previously recorded for Brazil: Forel, 1904). Camponotus eurynotus. One worker, one gyne. COLOMBIA. Antioquia: Amali, Cañón del Porce, Tenche, 6°46.3’ N 75°5.0’ W, bosque, 3 July, 1998, dosel, F. Serna (MEFLG) (previously recorded for Brazil: Forel, 1907). Camponotus integellus. One worker. COLOMBIA. Antioquia: Parque Nacional Orquídeas, 1,430 m a.s.l., 4 April 1996, E. Palacio (IAVH) (previously recorded for Costa Rica: Forel, 1899). Camponotus orthocephalus. hree workers. COLOMBIA. Antioquia: Medellín, 29 May, 1940. Cattleya pseudobulbs, EQA 72362, Lot # 40-11865 (USNM). hree workers. COLOMBIA. Antioquia: without locality, 29 April 1941, Cattleya, Hoboken #1262, Lot # 41-7365 (USNM) (previously recorded for Brazil: Emery, 1894). Camponotus pachylepis. Two workers, two gynes. COLOMBIA. Antioquia: Medellín, 1,800 m a.s.l., 23 July 1938, N. Weber (MCZC) (previously recorded for Brazil: Emery, 1894). Camponotus propinquus. hree workers, four gynes. COLOMBIA. Antioquia: Río Porce, 1,020 m a.s.l., Vergara-Navarro and Serna: A checklist of the ants (Hymenoptera: Formicidae) of the department of Antioquia, Colombia and new records for the country 327 23 July 1938, N. Weber (MCZC). Camponotus tonduzi. One worker. COLOMBIA. Antioquia: Amali, Cañón del Porce, Tenche, 6°46.3’ N 75°5.0’ W. Forest, 3 Agust 1998, F. Serna (MEFLG) (previously recorded for Costa Rica: Forel, 1899). Pseudomyrmex lisus. One worker. COLOMBIA. Antioquia: Venecia, Bolombolo rural lane, La Cascada farm, 7 km to Venecia, 1,350 m a.s.l., 5º58’ N 75º44’ W, August 2004, J.E. Arango, in Ceiba pentandra (Bombacaceae)-ceiba de agua (UNAB 3191) (previously recorded for Costa Rica: Ward, 2008). Cerapachys toltecus. 4 workers. COLOMBIA. Antioquia: Amali, Cañón del Porce, 980 m a.s.l. 6º 46,661’ N 75º 05,382’ W, 27 October 1997, F. Serna (UNAB 3549, MEFLG 6936, 5714) (previously recorded for Guatemala and Belice: Brown, 1975). Cylindromyrmex whymperi. Two workers. COLOMBIA. Antioquia: Amali, Cañón del Porce-Normandía, 1,045 m a.s.l., 6º46,661’ N 75º05,382’ W, 27 October 1997, F. Serna (UNAB 3550, MEFLG 5715) (previously recorded for Panamá and Ecuador: Brown, 1975). Myrmicocrypta urichi. 15 workers. COLOMBIA. Antioquia: Santafé de Antioquia, El Espinal rural lane, Cotové farm, 6º33’32’’ N 77º04’51’’ W, 600 m a.s.l., 6 October 2000, E. Vergara and F. Serna (UNAB) (previously recorded for Trinidad: Weber, 1945). Solenopsis subterranea. Ten workers. COLOMBIA, Antioquia: Carepa, 22 April 2010, D. Restrepo (UNAB 3559) (previously recorded for Texas: Mackay and Vinson, 1989; Costa Rica: Longino, 2005). Pheidole angulifera. Five workers. COLOMBIA. Antioquia: Turbo, Currulao, 13 May 2010, D. Restrepo (UNAB 3560) (previously recorded for Costa Rica: Wilson, 2003). Azteca diabolica. One gyne. COLOMBIA. Antioquia: Amali, Cañón del Porce, 1997. F. Serna (MEFLG) (previously recorded for Panama: Guerrero et al., 2010). Trachymyrmex zeteki. Four workers. COLOMBIA. Antioquia: Amali, Cañón del Porce, 1997. F. Serna (UNAB) (previously recorded for Panama: Weber, 1940, 1958). List 1. Taxonomic checklist of species of Formicidae in Antioquia, Colombia, and the localities where they have been found. Subfamilies, genera, and species are organized alphabetically. Nomenclature is based on Bolton et al. (2006). CAP, MSN, PA, PCM, PG, PN, PO, TIOC, and TIOP indicate the biogeographic units of Colombia (Hernández et al., 1992) (explained in materials and methods) where species have been previously reported. “New Records for Colombia” and species without a citation reference are recorded here for the irst time for Antioquia. AGROECOMYRMECINAE Tatuidris tatusia Brown and Kempf, 1968. Támesis, Otra banda rural lane, El Alcazar farm: 1,800 m a.s.l. AMBLYOPONINAE Stigmatomma lurilabes Lattke, 1991. Fernández et al. (1996a), Serna and Vergara-Navarro (2007a) (CAP, PCM, PO, PN and PG). Amali, Cañón del Porce: 980 m a.s.l. Prionopelta amabilis Borgmeier, 1949. Arias-Pennas (2007) (PCM, PA and PN). Amali, Cañón del Porce: 980 m a.s.l. Prionopelta antillana Forel, 1909. Serna and VergaraNavarro (2007a) (CAP, PCM, PA and PN) Amali, Cañón del Porce: 980 m a.s.l. TABlE 1. Number of genera (Gen.) and species (spp.) of Formicidae of each subfamily in the Neotropics, Colombia and Antioquia. * indicates number of genera recorded for Antioquia within each subfamily; ( ): between parentheses is the number of genera recorded for the first time for Antioquia. Region Subfamilies Martialinae Dolichoderinae Formicinae Pseudomyrmecinae Cerapachyinae Ecitoninae Leptanilloidinae Amblyoponinae Ponerinae Ectatomminae Heteroponerinae Paraponerinae Proceratiinae Agroecomyrmecinae Myrmicinae Total 328 Neotropics Colombia Antioquia genera spp. genera spp. genera spp. 1 8 15 2 4 5 2 3 12 3 2 1 3 1 58 120 1 223 416 139 39 137 8 22 262 121 17 2 32 1 1598 3018 6 8 2 3 5 1 2 11 3 2 1 3 1 50 98 73 92 61 8 43 3 7 113 65 6 1 14 1 358 845 5 5* (4) 1 2 5 1 2 6* (5) 3 2 1 3 1 27* (13) 64* (22) 19 37 26 3 13 2 4 36 20 3 1 3 1 87 255 Agron. Colomb. 31(3) 2013 Prionopelta modesta Forel, 1909. Arias-Penna (2007), Vergara-Navarro et al. (2007), Serna and Vergara-Navarro (2007a) (PCM, PO and PN). Amali, Cañón del Porce: 980 m a.s.l. Dolichoderus ghilianii Emery, 1894. Serna (1999) (PCM, PA and PN). Santo Domingo, Porce: 1,000 m a.s.l., Santo Domingo: Porce: 1,100 m a.s.l., Amali, Cañón del PorceLa Calandría: 1,010 m a.s.l. CERAPACHYINAE Dolichoderus gibbosus (Smith, 1858) (PCM). Amali, Cañón del Porce: 980 m a.s.l. Cerapachys toltecus Forel, 1909. New record for Colombia (PCM). Amali, Cañón del Porce: 980 m a.s.l. Cylindromyrmex schmidti (Menozzi, 1931). Amali, Cañón del Porce-Normandia: 1,045 m a.s.l. Dolichoderus imitator Emery, 1894. Schneider (1990), Serna (1999) (PCM, PO, PA and PN) Amali, Cañón del Porce: 980 m a.s.l., San Luis “El Refugio, Cañón de Rio Claro”: 515 m a.s.l. Cylindromyrmex whymperi Cameron, 1891. New record for Colombia (PCM). Amali, Cañón del Porce: 980 m a.s.l. Dolichoderus piceus (Mackay, 1993) (PCM and PN). Amali, Cañón del Porce-La Calandría: 1,010 m a.s.l. DOLICHODERINAE Dolichoderus quadridenticulatus Roger, 1862. Serna (1999) (PCM, PA and PN). Puerto Triunfo: 150 m a.s.l., Mutata: 66 m a.s.l. San Luis: 1,075 m a.s.l., Puerto Triunfo, Rio Claro: 200 m a.s.l. Amali, Cañón del Porce-Fosforito: 945 m a.s.l. Azteca diabolica Guerrero, Delabie and Dejean, 2010. New record for Colombia (PCM). Amali, Cañón del Porce. 980 m a.s.l. Dolichoderus attelaboides (Fabricius, 1775) (PCM, PA and PN). Santafe de Antioquia: 550 m a.s.l. Gómez Plata: 1,828 m a.s.l. Sopetrán: 750 m a.s.l. San Luis: 1,075 m a.s.l. Envigado: 1,573 m a.s.l. Amagá: 1332 m a.s.l. Amali, Cañón del Porce-Santa Lucia: 950 m a.s.l. Puerto Triunfo: 115 m a.s.l. Apartado: 5 m a.s.l. Santo Domingo: 1,100 m a.s.l. Valdivia: 1,165 m a.s.l. Dolichoderus schulzi Emery, 1894. Schneider (1990), Fernández et al. (1996a) (PCM, PA and PN). Medellin: 1540 m a.s.l. Dolichoderus baenae Mackay, 1993. Schneider (1990) (CAP, PCM, PO, PA and PN). Amali, Cañón del Porce: 980 m a.s.l. Dorymyrmex brunneus Forel, 1908. Vergara-Navarro et al. (2007) (PCM, PA and PN). Amali, Cañón del Porce: 980 m a.s.l. Dolichoderus bispinosus Olivier, 1792. Serna (1999) (CAP, PCM, PO, PA and PN). Amali, Cañón del Porce: 980 m a.s.l. Linepithema iniquum Mayr, 1870. Wild (2007) (PCM, PN and CAP). Amali, Cañón del Porce: 980 m a.s.l. Dolichoderus curvilobus (Lattke, 1987) (PCM, PA, PN). Anorí, Estación Biológica Río Anorí Dolichoderus debilis (Emery, 1890) (PCM). Amali, Cañón del Porce: 980 m a.s.l. Dolichoderus decollatus Smith, 1858. Schneider (1990), Serna (1999) (CAP, MSN, PCM, PO, PA and PN). Amali, Cañón del Porce: 970 m a.s.l. Amali, Cañón del PorceSan Ignacio: 970 m a.s.l. Yolombó, Porce (Normandia): 1010 m a.s.l. Cocorná, La Vetá rural lane, San Antonio stream, San Luis “El Refugio, Cañón de Rio Claro”: 515 m a.s.l. Dolichoderus diversus (Emery, 1894) (PCM and PN). San Luis, San Pablo, San Antonio stream: 780 m a.s.l. Dolichoderus superaculus Lattke, 1987. Schneider (1990), Fernández et al. (1996a) (PCM, PA and PN). Remedios: 680 m a.s.l. Linepithema piliferum (Mayr, 1870) (PCM and PN). Medellin, Alvernia: 2,400 m a.s.l. Puerto Nare, Nare river: 800 m a.s.l. Tapinoma melanocephalum Fabricius, 1793. Serna (1999), Vergara-Navarro et al. (2007) (PCM, PO and PN). San Carlos, El Jordán rural lane: 1,010 m a.s.l. Gómez Plata, La Clara rural lane, Vegas de la Clara farm: 1,080 m a.s.l. Caucasia: 50 m a.s.l. Medellin: 1,496 m a.s.l. Amali, Cañón del Porce-Santa Lucia: 950 m a.s.l. ECITONINAE Cheliomyrmex andicola Emery, 1894. Fernández et al. (1996a), Serna (1999), Toro (2002) (PCM, PA and PN). Gómez Plata: 1,828 m a.s.l. Medellin: 1,538 m a.s.l. Santafe de Antioquia, La Contadora, Las Flores farm: 550 Vergara-Navarro and Serna: A checklist of the ants (Hymenoptera: Formicidae) of the department of Antioquia, Colombia and new records for the country 329 m a.s.l. Rionegro: 2,120 m a.s.l. Santafe de Antioquia: 550 m a.s.l. Santo Domingo Porce: 1,300 m a.s.l. Amali, Cañón del Porce-Tenche: 1,000 m a.s.l. Medellín, Santa Elena rural lane: 2,300 m a.s.l. Támesis, La Virgen rural line: 1,500 m a.s.l. Copacabana, El Cabuyal rural line: 1650 m a.s.l. Rionegro: 2,120 m a.s.l. Eciton burchelli (Westwood, 1842) (PCM, CAP, PO, PA and PN). Palacio (1999), Serna (1999). Santafe de Antioquia: 550 m a.s.l. Santo Domingo, Porce: 1,100 m a.s.l. Andes: 1,357 m a.s.l. Cisneros: 1,038 m a.s.l. Concepción: 1,862 m a.s.l. Ebéjico: 1,150 m a.s.l. Amali, Cañón del PorceLa Cancana: 1,010 m a.s.l. Támesis, La Matilde and La Fabiola rural lanes: 1,770 m a.s.l. San Luis: 1,050 m a.s.l. Santa Barbara, Versalles rural lane, Los Naranjos farm: 1,700 m a.s.l. Amagá: 1,332 m a.s.l. Cocorná: 1,200 m a.s.l. Eciton hamatum Fabricius, 1782. Palacio (1999) (PCM, CAP, PA and PN). Murindo: 23 m a.s.l. Frontino: 900 m a.s.l. Amali, Cañón del Porce-Normandia: 1,000 m a.s.l. Puerto Triunfo, Río Claro: 1,50 m a.s.l. San Carlos: 1,010 m a.s.l. Remedios: 580 m a.s.l. Medellin, San Antonio de Prado: 1,800 m a.s.l. San Luis “El Refugio, Cañón de Río Claro”: 515 m a.s.l. Eciton jansoni Forel, 1912. Palacio (1999) (PCM and PN). La Estrella: 1,775 m a.s.l. Eciton vagans Olivier, 1792. Palacio (1999) (PCM, CAP, PO, PA and PN). Santafe de Antioquia, Cotove farm: 607 m a.s.l. Medellin: 1,496 m a.s.l. Cocorná: 1,286 m a.s.l. Támesis, El Barro, La Colina: 1,520 m a.s.l. San Luis “El Refugio, Cañón de Rio Claro”: 515 m a.s.l. Labidus coecus Latreille, 1802. Palacio (1999), Serna (1999), Toro (2002) (PCM, CAP, PA and PN). Amali, Cañón del Porce-Fosforito: 970 m a.s.l. Santafe de Antioquia, Cotove farm: 607 m a.s.l. Copacabana: 1,425 m a.s.l. Medellin: 1,538 m a.s.l. San Luis: 1,075 m a.s.l. Amali, Cañón del Porce-La Picardia: 975 m a.s.l. Caldas: 1,789 m a.s.l. Támesis, La Virgen and La Cumbre rural lanes: 1,610 m a.s.l. Medellín: 1,445 m a.s.l. Caucasia, La Candelaria rural lane, La Candelaria U de A farm: 80 m a.s.l. Ciudad Bolivar, Alferez district: 1,500 m a.s.l. Labidus praedator Smith, 1858. Palacio (1999), Toro (2002) (PCM, PA and PN). Amali, Cañón del Porce-Fosforito: 970 m a.s.l. Medellin: 1,538 m a.s.l. Rionegro: 2,120 m a.s.l. Amagá: 1,392 m a.s.l. Andes: 1,357 m a.s.l. Envigado: 1,575 m a.s.l. San Francisco: 1,050 m a.s.l. San Pedro: 2,000 m a.s.l. Medellin, Robledo La Campiña district: 1,534 m a.s.l. Cocorná: 1,200 m a.s.l. Támesis: 1,200 m 330 a.s.l. Betania: 1,550 m a.s.l. Santo Domingo: 1,950 m a.s.l. Amali, Cañón del Porce: 970 m a.s.l. Labidus spininodis Emery, 1890. Palacio (1999) (PCM, PA and PN). Támesis, La Virgen and La Cumbre rural lanes: 1,610 m a.s.l. Támesis, Hacha La Miranda: 1,490 m a.s.l. Neivamyrmex halidaii Shuckard, 1840 (PCM and PN). Medellin: 1,534 m a.s.l. Bello Fontidueño: 1,495 m a.s.l. Caucasia, La Candelaria rural lane, La Candelaria U de A farm: 80 m a.s.l. Santo Domingo Porce: 1,100 m a.s.l. Neivamyrmex planidorsus (Emery, 1906) (PCM and PN). Amali, Cañón del Porce-Fosforito: 970 m a.s.l. Neivamyrmex rosenbergi Forel, 1911. Palacio (1999) (PCM and PN). Amali, Cañón del Porce: 980 m a.s.l. Nomamyrmex esenbeckii Westwood, 1842. Palacio (1999), Serna (1999) (CAP, PCM, PO, PA and PN). Fredonia, Marsella rural lane: 1,800 m a.s.l. Titiribi, Otra mina rural lane: 1,550 m a.s.l. Amali, Cañón del Porce-La Calandría: 1,010 m a.s.l. San Francisco: 1,050 m a.s.l. Támesis, San Nicolas rural lane: 1,510 m a.s.l. Santa Barbara: 1,846 m a.s.l. Gómez Plata, Normandia farm: 1,000 m a.s.l. Nomamyrmex hartigii (Westwood, 1842) (PCM, PO and PN). Amali, Cañón del Porce: 980 m a.s.l. ECTATOMMINAE Ectatomma brunneum Smith, 1858. Fernández et al. (1996a), Serna and Vergara-Navarro (2007a) (PCM, PN, PA, MSN and PO). San Luis, San Pablo rural lane, San Antonio stream: 780 m a.s.l. Ectatomma quadridens (Fabricius, 1793). Medellin: 1,538 m a.s.l. Ectatomma ruidum Roger, 1860. Fernández, 1991, Fernández et al. (1996a), Serna and Vergara-Navarro (2007a) (PCM, PN, PA, MSN, CAP, PO and PCM). Cisneros: 1,038 m a.s.l. Gómez Plata: 1,828 m a.s.l. Titiribi, Otra mina rural lane: 1,550 m a.s.l. Gómez Plata, La Clara rural lane, Vegas de la Clara farm: 1,080 m a.s.l. Urrao: 1,800 m a.s.l. Santo Domingo: 1,100 m a.s.l. Medellin: 1,538 m a.s.l. El Retiro: 2,169 m a.s.l. Sopetrán: 750 m a.s.l. San Luis: 1,075 m a.s.l. San Carlos: 1,010 m a.s.l. Chigorodo: 34 m a.s.l. San Jerónimo 820 m a.s.l. Frontino, Parque Nacional Natural Las Orquideas: 900 m a.s.l. Apartado: 150 m a.s.l. Concepción: 1,862 m a.s.l. Santafe de Antioquia, Cotove farm: 600 m a.s.l. Yolombó, Cañón del Porce-Tenche: 1,010 m a.s.l. Amali, Cañón del Porce-La Agron. Colomb. 31(3) 2013 Calandría: 1,010 m a.s.l. Remedios: 680 m a.s.l. Caucasia, La Candelaria farm: 50 m a.s.l. Turbo, Currulao rural lane (Urabá): 1 m a.s.l. Caucasia, La Candelaria U de A farm: 80 m a.s.l. Barbosa, El Hatillo rural lane: 1,308 m a.s.l. Jerico, Cauca Viejo rural lane: 400 m a.s.l. Bello Fontidueño: 1,495 m a.s.l. Cocorná, La Veta rural lane: 1,000 m a.s.l. San Jerónimo: 820 m a.s.l. Santa Barbara, La Pintada rural lane: 900 m a.s.l. San Luis, San Pablo rural lane, San Antonio stream: 780 m a.s.l. Ectatomma tuberculatum Olivier, 1792. Fernández 1991, Fernández et al. (1996a); Serna and Vergara-Navarro (2007a) (PCM, PN, PA, MSN, CAP, PO and PCM). Santafe de Antioquia: 550 m a.s.l. Támesis, San Isidro rural lane: 1,200 m a.s.l. Medellin: 1,538 m a.s.l. Mutata: 66 m a.s.l. Turbo: 2 m a.s.l. Fredonia, Puente Iglesias rural lane: 1,800 m a.s.l. Santa Barbara, La Pintada rural lane: 1,846 m a.s.l. Sopetrán: 750 m a.s.l. Remedios: 1,063 m a.s.l. Turbo: 2 m a.s.l. Mutata: 66 m a.s.l. Yolombó, Porce (Normandia): 1,010 m a.s.l. Caucasia, La Candelaria rural lane, La Candelaria U de A farm: 80 m a.s.l. Maceo, reserve of Alicante river canyon: 80 m a.s.l. Cocorná, La Veta rural lane: 1,000 m a.s.l. Puerto Raudal, 1,750 m a.s.l. Amali, Cañón del Porce-La Calandría, Carepa, Tulenapa farm: 28 m a.s.l. Gnamptogenys andina Lattke, 1995. Lattke et al. (2007) (PCM, PA, PN and PO). Amali, Cañón del Porce: 980 m a.s.l. Gnamptogenys annulata Mayr, 1887. Lattke et al. (2007), Serna and Vergara-Navarro (2007a). (PCM, PN, PA and PO). Amali, Cañón del Porce: 970 m a.s.l. Gnamptogenys continua Mayr, 1887. Lattke et al. (2007), Serna and Vergara-Navarro (2007a) (PCM, PN and PA). Amali, Cañón del Porce: 970 m a.s.l. Gnamptogenys ejuncida Lattke, 1995. Lattke et al. (2007), Serna and Vergara-Navarro (2007a) (PCM, PA and PN). Cocorná, La Vetá rural lane, San Antonio stream. Gnamptogenys haenschei Emery, 1902. Lattke et al. (2007) (PA, PCM, PO, CAP and PN). Amali, Cañón del Porce: 980 m a.s.l. Gnamptogenys mecotyle Brown, 1958. Lattke et al. (2007) (PCM and PA). Amali, Cañón del Porce: 980 m a.s.l. Gnamptogenys minuta Emery, 1896. Lattke et al. (2007) (PCM, PA, CAP, MSN and PN). Amali, Cañón del Porce: 980 m a.s.l. Gnamptogenys mordax Smith, 1858. Lattke et al. (2007), Serna and Vergara-Navarro (2007a). (PCM, PN and PA). Frontino: 900 m a.s.l. Gnamptogenys porcata Emery, 1896. Lattke et al. (2007) (PCM, PA, CAP and PN). Amali, Cañón del Porce: 980 m a.s.l. Gnamptogenys striatula Mayr, 1884. Lattke et al. (2007) (PCM, PO, PA, PN, CAP and PG). Amali, Cañón del Porce: 980 m a.s.l. Gnamptogenys strigata Norton, 1868. Lattke et al. (2007), Serna and Vergara-Navarro (2007a) (PCM, PN, PA and PO). Amali, Cañón del Porce: 980 m a.s.l. Gnamptogenys sulcata Smith, 1858. Lattke et al. (2007) (PCM, CAP, PA, MSN, PO and PG). Amali, Cañón del Porce: 980 m a.s.l. Gnamptogenys triangularis Mayr, 1887 Lattke et al. (2007) (PCM and MSN). Amali, Cañón del Porce: 980 m a.s.l. Typhlomyrmex pusillus Emery, 1894. Brown 1965, Fernández et al. (1996a), Serna and Vergara-Navarro (2007a) (PCM, PN and PA). Venecia: 1,350 m a.s.l. FORMICINAE Acropyga fuhrmanni Forel, 1914. Fernández et al. (1996a), LaPolla (2004) (PCM and PO). Amali, Cañón del PorceLa Calandría: 990 m a.s.l. Puerto de Los Pobres: 720 m a.s.l. Acropyga goeldii (Forel, 1893) (PCM and PN). Amali, Cañón del Porce: 980 m a.s.l. Acropyga smithii Forel, 1893. LaPolla (2004) (PCM). Amali, Cañón del Porce: 980 m a.s.l. Brachymyrmex heeri (Forel, 1874) (PCM and CAP). Amali, Cañón del Porce: 980 m a.s.l. Gnamptogenys hartmani Wheeler, 1915. Lattke et al. (2007) (PCM and PA). Amali, Cañón del Porce: 980 m a.s.l. Camponotus amoris Forel, 1904. New record for Colombia (PCM). Amali, Cañón del Porce: 980 m a.s.l. Gnamptogenys horni Santschi, 1929. Lattke et al. (2007), Serna and Vergara-Navarro (2007a) (PN, PA, PCM, PO and PG). Amali, Cañón del Porce: 980 m a.s.l. Camponotus atriceps Smith, 1858. Gómez (2001), VergaraNavarro et al. (2007) (PCM, PN, PA and PO). Betania: 1,550 m a.s.l. Sopetrán: 723 m a.s.l. Amagá: 1,332 m a.s.l. Vergara-Navarro and Serna: A checklist of the ants (Hymenoptera: Formicidae) of the department of Antioquia, Colombia and new records for the country 331 Medellin, Universidad Nacional-Núcleo El volador: 1,593 m a.s.l. Fredonia: 1,900 m a.s.l. Tarazá: 108 m a.s.l. San Jerónimo: 750 m a.s.l. Andes: 1,357 m a.s.l. Vegachi: 980 m a.s.l. Amali, “Cañón del Porce, Campamento”: 990 m a.s.l. Caucasia: 50 m a.s.l. San Luis “El Refugio, Cañón de Rio Claro”: 515 m a.s.l. Camponotus nitens Mayr, 1870 (PCM and PN). San Luis: 1,075 m a.s.l. Camponotus auricomus Roger, 1862 (PCM). Amali, Cañón del Porce: 980 m a.s.l. Camponotus novogranadensis Mayr, 1870 (PCM, PO and PN). Amali, Cañón del Porce-El Encanto: 970 m a.s.l. Camponotus blandus Smith, 1858 (PCM). Santafe de Antioquia: 550 m a.s.l. Camponotus orthocephalus Emery, 1894. New record for Colombia (PCM). Amali, Cañón del Porce: 980 m a.s.l. Camponotus brevis Forel, 1899 (PCM). Amali, Cañón del Porce: 1,020 m a.s.l. Amagá: 1,332 m a.s.l. Camponotus pachylepis Emery, 1920. New record for Colombia (PCM). Amali, Cañón del Porce: 980 m a.s.l. Camponotus bugnioni Forel, 1899. Cárdenas (2002), Vergara-Navarro et al. (2007) (PCM, CAP and MSN). Caucasia: 50 m a.s.l. Barbosa: 1,308 m a.s.l. Medellin: 1,538 m a.s.l. Bello: 1,495 m a.s.l. Arboletes: 10 m a.s.l. Carepa: 10 m a.s.l. Tarazá, Rayo river: 100 m a.s.l. San Pedro de Uraba: 8 m a.s.l. Camponotus canescens Mayr, 1870 (PCM). Amali, Cañón del Porce: 980 m a.s.l. Camponotus chartifex Smith, 1860. Fernández (2002a) (PCM, PA and PG). Puerto Triunfo, Rio Claro: 150 m a.s.l. Camponotus coloratus Forel, 1904 (PCM). Amali, Cañón del Porce: 980 m a.s.l. Camponotus coruscus Smith, 1862. Cárdenas (2002) (PCM). Amali, Cañón del Porce: 970 m a.s.l. Camponotus nitidior Santschi, 1921. Fernández (2002a) (PCM). Amali, Cañón del Porce-Tenche: 1,000 m a.s.l. Amali, Cañón del Porce: 990 m a.s.l. Camponotus propinquus Mayr, 1887. New record for Colombia (PCM). Amali, Cañón del Porce: 980 m a.s.l. Camponotus raphaelis Forel, 1869 (PCM). Amali, Cañón del Porce: 980 m a.s.l. Camponotus sericeiventris Guérin-Méneville, 1838 (PCM, PA and PN). Bolívar: 1,250 m a.s.l. Cáceres: 100 m a.s.l. San Luis: 1,075 m a.s.l. Valdivia: 1,165 m a.s.l. Mutata: 66 m a.s.l. Camponotus sexguttatus Fabricius, 1793 (PCM, MSN, PN). Turbo: 10 m a.s.l. Camponotus sphenoidalis Mayr, 1870 (PCM). Amali, Cañón del Porce: 980 m a.s.l. Camponotus eurynotus Forel, 1907. New record for Colombia (PCM). Amali, Cañón del Porce: 980 m a.s.l. Camponotus striatus Smith, 1862. Vergara-Navarro et al. (2007) (PCM). Amali, Cañón del Porce: 980 m a.s.l. Camponotus excisus Mayr, 1870 (PCM). Amali, Cañón del Porce: 980 m a.s.l. Camponotus substitutus Emery, 1894 (PCM, MSN, PO and PA). Sonson, La Violeta stream: 1,000 m a.s.l. Camponotus indianus Forel, 1879 (PCM and PN). San Andres de Cuerquia: 1,530 m a.s.l. Medellin: 1,700 m a.s.l. Frontino: 1,350 m a.s.l. Jardin: 1,805 m a.s.l. Caldas: 1,797 m a.s.l. Sopetrán, Santa Rita rural lane: 723 m a.s.l. Santa Barbara, Versalles rural lane, Los Naranjos farm: 1,846 m a.s.l. Camponotus tonduzi Forel, 1899. New record for Colombia (PCM). Amali, Cañón del Porce: 980 m a.s.l. Camponotus integellus Forel, 1899. New record for Colombia (PCM). Amali, Cañón del Porce: 980 m a.s.l. Camponotus lindigi Mayr, 1870 (PCM and PA). Santafe de Antioquia: 550 m a.s.l. Camponotus linnaei Forel, 1886 (PCM). Amali, Cañón del Porce: 980 m a.s.l. Camponotus mus Roger, 1863 (PCM). Amali, Cañón del Porce: 980 m a.s.l. 332 Camponotus zoc Forel, 1879 (PCM). Amali, Cañón del Porce: 980 m a.s.l. Nylanderia nodifera Mayr, 1870. Fernández et al. (1996) (PCM and PN). Amali, Cañón del Porce: 980 m a.s.l. Paratrechina longicornis Latreille 1802. Amali, Cañón del Porce: 980 m a.s.l. HETEROPONERINAE Acanthoponera mucronata Roger, 1860. Serna and VergaraNavarro (2007a) (PCM, PN and PA). Amali, Cañón del Porce: 980 m a.s.l. Agron. Colomb. 31(3) 2013 Heteroponera inca Brown, 1958. Serna and Vergara-Navarro (2007a) (PCM and PN). Amali, Cañón del Porce: 1,000 m a.s.l. Heteroponera microps Borgmeier, 1957. Kempf (1972), Fernández (1990), Fernández et al. (1996a), Serna and Vergara-Navarro (2007a) (PCM and PN). Amali, Cañón del Porce: 980 m a.s.l. LEPTANILLOIDINAE Leptanilloides biconstricta Mann, 1923. Zábala et al. (2006) (PCM). Amali, Cañón del Porce: 980 m a.s.l. Leptanilloides sculpturata Brandão, Diniz, Agosti and Delabie, 1999. Brandão et al. (1999), Delabie (1999) (PCM). Amali, Cañón del Porce: 980 m a.s.l. MYRMICINAE Acromyrmex aspersus Smith, 1858. Fernández et al. (1996), Toro (2002) (PCM and PN). Granada: 2,050 m a.s.l. Rionegro: 2,137 m a.s.l. Caldas: 1,789 m a.s.l. La Ceja: 2,180 m a.s.l. Medellin, Bocana: 1,486 m a.s.l. Betania: 1,550 m a.s.l. Granada: 2,050 m a.s.l. Andes: 1,537 m a.s.l. Guarne: 2,143 m a.s.l. Marinilla: 2,100 m a.s.l. El Peñol: 1,900 m a.s.l. Santuario: 2,200 m a.s.l. La Estrella: 1,764 m a.s.l. Santuario: 2,200 m a.s.l. Támesis, La Matilde rural lane, La Fabiola farm: 1,850 m a.s.l. Acromyrmex coronatus Fabricius, 1804. Toro (2002) (PCM, PO, PA and PN). Concepción: 1,862 m a.s.l. Acromyrmex landolti Forel, 1885. Serna (1999) (CAP, PCM, PO and PN). Amali, Cañón del Porce: 970 m a.s.l. Santafe de Antioquia: 500 m a.s.l. Santo Domingo: 1,000 m a.s.l. Amali, Cañón del Porce-La Picardia: 975 m a.s.l. Sopetrán, Santa Rita rural lane: 723 m a.s.l. Acromyrmex octospinosus Reich, 1793. Fernández et al. (1996a) (PCM, PO, PA and PN). Titiribi, Otra mina rural lane: 1,550 m a.s.l. Murindó, Chageradó: 23 m a.s.l. Bolívar: 1,230 m a.s.l. Cisneros: 1,038 m a.s.l. Amali, Cañón del Porce-Tenche: 1,000 m a.s.l. San Luis: 1,050 m a.s.l. Rionegro: 2,137 m a.s.l. San Francisco: 1,250 m a.s.l. Santafe de Antioquia: 550 m a.s.l. Yolombó: 1,495 m a.s.l. Frontino, Parque Nacional Natural Las Orquideas: 900 m a.s.l. Cisneros: 1,038 m a.s.l. Medellín: 1,560 m a.s.l. Cocorná: 1,200 m a.s.l. Dabeiba 450 m a.s.l. Sopetrán: 723 m a.s.l. Mutata: 66 m a.s.l. Támesis, San Nicolas farm: 1,500 m a.s.l. Gómez Plata: 1,080 m a.s.l. Apartadó, “Via a Carepa, Parque de los Encuentros”: 30 m a.s.l. Adelomyrmex myops Wheeler, 1910. Serna (1999) (PCM). Amali, Cañón del Porce-Normandia: 1,045 m a.s.l. Apterostigma reburrum Lattke 1997. Lattke (1997) (PCM). Amali, Cañón del Porce: 980 m a.s.l. Atta cephalotes Linnaeus, 1758. Fernández et al. (1996a), Yepes et al. (1999), Vergara-Navarro et al. (2007) (CAP, MSN, PCM, PO, PA and PN) Angostura, Santa Ana rural lane: 1,637 m a.s.l. Ituango: 1,550 m a.s.l. Santafe de Antioquia: 550 m a.s.l. Arboletes: 10 m a.s.l. El Bagre, Arenales: 85 m a.s.l. Guadalupe: 1,850 m a.s.l. Medellin, Universidad Nacional-Núcleo El volador: 1,493 m a.s.l. Murindo, Indian reservation of the Embera Eyabida rivers and Chagerado Turriquitado: 23 m a.s.l. Gómez Plata, La Clara rural lane, Vegas de la Clara farm: 1,080 m a.s.l. Granada, Galilea rural lane: 2,050 m a.s.l. Támesis, San Isidro rural lane: 1,200 m a.s.l. Argelia: 1,750 m a.s.l. San Roque: 1,471 m a.s.l. San Rafael: 1,000 m a.s.l. Venecia: 1,350 m a.s.l. San Luis: 1,075 m a.s.l. Murindo: 23 m a.s.l. Venecia: 1,350 m a.s.l. Envigado: 1,575 m a.s.l. Mutata: 66 m a.s.l. Angostura: 1,637 m a.s.l. Amali, Cañón del PorceTenche: 1,000 m a.s.l. San Carlos: 1,036 m a.s.l. Caucasia: 50 m a.s.l. San Luis: 1,075 m a.s.l. Fredonia: 1800 m a.s.l. Amagá: 1,392 m a.s.l. Copacabana El Salado rural lane: 1,425 m a.s.l. Caldas: 1789 m a.s.l. Turbo: 2 m a.s.l. Andes: 1357 m a.s.l. Ituango: 1575 m a.s.l. Frontino, “Parque Nacional Natural Las Orquideas, cabaña Venados” 900 m a.s.l. Cisneros: 1,038 m a.s.l. San Jerónimo, Parc. Las Palmeras: 850 m a.s.l. Amali, Cañón del Porce-Santa Lucia: 1,020 m a.s.l. Barbosa, Yarumito: 1,308 m a.s.l. Bello: 1,495 m a.s.l. Caracolí: 651 m a.s.l. Cocorná, La Chonta: 1,286 m a.s.l. San Carlos, Urbana: 1,010 m a.s.l. San Juan de Uraba: 25 m a.s.l. Santa Barbara: 1,846 m a.s.l. Yolombó: 1,450 m a.s.l. Yondo: 80 m a.s.l. Urrao: 1,790 m a.s.l. Valparaiso La Fabiana: 800 m a.s.l. Caucasia, La Candelaria rural lane, La Candelaria U de A farm: 80 m a.s.l. Puerto Olaya, 112 m a.s.l. Venecia, J.J. farm: 1,350 m a.s.l. Titiribi: 1,550 m a.s.l. Santo Domingo: 1,000 m a.s.l. Atta colombica Guérin-Méneville, 1844. Serna (1999) (CAP, MSN, PCM, PO and PN). Tarazá, Puerto Valdivia: 100 m a.s.l. Puerto Nare: 140 m a.s.l. Arboletes, Caña Brava rural lane: 10 m a.s.l. Chigorodo: 12 m a.s.l. La Estrella: 1,764 m a.s.l. Puerto Berrío: 123 m a.s.l. Puerto Triunfo, Rio Claro: 115 m a.s.l. San Roque: 1,100 m a.s.l. San Rafael: 1,000 m a.s.l. Mutata: 66 m a.s.l. Santo Domingo: 1,100 m a.s.l. Turbo: 4 m a.s.l. Amali, Cañón del Porce: 950 m a.s.l. Arboletes: 4 m a.s.l. Caucasia 50 m a.s.l. El Bagre, Las Claritas rual lane, Las Claritas farm: 85 m a.s.l. Medellin, Belen district: 1,538 m a.s.l. Necoclí: 8 m Vergara-Navarro and Serna: A checklist of the ants (Hymenoptera: Formicidae) of the department of Antioquia, Colombia and new records for the country 333 a.s.l. Puerto Berrío, Guasimal rural lane: 112 m a.s.l. San Pedro de Uraba: 8 m a.s.l. Vigia del Fuerte, Guaguando rural lane: 25 m a.s.l. Carepa, Tulenapa farm: 10 m a.s.l. Cisneros: 1,038 m a.s.l. Santafe de Antioquia, Cotove farm: 600 m a.s.l. Yolombó, Porce locality (La Calandria): 1,010 m a.s.l. Caracolí: 651 m a.s.l. Puerto Berrío, Santa Cruz: 112 m a.s.l. San Juan de Uraba: 25 m a.s.l. Cardiocondyla nuda Mayr, 1866 (PCM, PO, PN). Amali, Cañón del Porce-Fosforito: 1,100 m a.s.l. Marinilla: 2,100 m a.s.l. Cardiocondyla wroughtonii Forel, 1890. Vergara-Navarro et al. (2007) (PCM, PN). Medellin, Universidad Nacional: 1,460 m a.s.l. Cephalotes atratus Linnaeus, 1758. Fernández et al. (1996), Serna (1999) (PCM, PO, PA and PN). Cáceres: 100 m a.s.l. Dabeiba: 450 m a.s.l. Mutata: 66 m a.s.l. Arboletes: 4 m a.s.l. Puerto Triunfo, Rio Claro: 150 m a.s.l. San Jerónimo: 750 m a.s.l. San Luis: 1,075 m a.s.l. San Roque: 1,100 m a.s.l. Remedios: 680 m a.s.l. Amali, Cañón del Porce: 1,045 m a.s.l. Caucasia: 50 m a.s.l. Puerto Nare, Caño Loco rural lane, La Brasilia farm: 160 m a.s.l. Maceo Cañon, Alicante-Guardasol river: 950 m a.s.l. Támesis, El Hacha rural lane, El Nogal farm: 1,560 m a.s.l. Caucasia: 80 m a.s.l. Cephalotes basalis Smith, 1876. Sandoval (2005) (PCM and PN). Caldas: 1,789 m a.s.l. Tarazá: 108 m a.s.l. Puerto Triunfo: 115 m a.s.l. Necoclí, El Totumo rural lane: 4 m a.s.l. Caucasia, La Candelaria rural lane, La Candelaria U de A farm: 80 m a.s.l. San Carlos: 1,010 m a.s.l. Cephalotes christopherseni Forel, 1912. Sandoval (2005) (CAP, PCM, PO and PN). Amali, Cañón del PorceNormandia: 1,045 m a.s.l. Maceo: 950 m a.s.l. Mutata: 66 m a.s.l. Cephalotes cristatus Emery, 1890. Sandoval (2005) (PCM and PN). Amali, Porce (La Calandria): 1,010 m a.s.l. Amali, Cañón del Porce-Fosforito: 970 m a.s.l. Cephalotes femoralis Smith, 1853. Sandoval (2005) (CAP, PCM and PN). Medellín, Universidad Nacional-Núcleo El volador: 1,538 m a.s.l. Caucasia, La Candelaria rural lane, La Candelaria U de A farm: 80 m a.s.l. Cephalotes maculatus Smith, 1876. Vergara-Navarro et al. (2007) (CAP, PCM, PO, PA and PN). Medellin, Universidad Nacional-Núcleo El Volador: 1,493 m a.s.l. Fredonia: 1,800 m a.s.l. Amali, “Cañón del Porce-Tenche, Santa Lucia”: 1,000 m a.s.l. Fredonia: 1,800 m a.s.l. Santo Domingo Porce: 1,100 m a.s.l. Gómez Plata, La Candelaria rural lane, Vegas de la Clara farm: 1,000 m a.s.l. 334 Cephalotes minutus Fabricius, 1804. Fernández et al. (1996) (PCM, PO and PN). Santafe de Antioquia: 550 m a.s.l. Amali, Porce (La Calandria): 1,010 m a.s.l. Santo Domingo Porce: 1,100 m a.s.l. San Jerónimo: 750 m a.s.l. La Pintada: 630 m a.s.l. Cephalotes pavonii Latreille, 1809. Sandoval (2005) Amali (CAP, PCM and PN). Cañón del Porce: 980 m a.s.l. Cephalotes porrasi Wheeler, 1942. De Andrade and BaroniUrbani (1999) (PCM, CAP and PN). Amali, Cañón del Porce: 980 m a.s.l. Cephalotes pusillus Klug, 1824. Sandoval (2005) (CAP, PCM, PO, PA and PN). San Luis: 1,075 m a.s.l. Cephalotes targionii Emery, 1894. Sandoval (2005) (CAP, PCM and PN). Amali, Cañón del Porce: 980 m a.s.l. Cephalotes umbraculatus Fabricius, 1804. Fernández et al. (1996a) (CAP, PCM, PO, PA and PN). Santo Domingo Porce: 1,000 m a.s.l. Sopetrán: 750 m a.s.l. San Carlos: 1,100 m a.s.l. Amali, Cañón del Porce-Tenche: 1,000 m a.s.l. Santo Domingo Porce: 1,100 m a.s.l. Caucasia, La Candelaria rural lane, La Candelaria U de A farm: 80 m a.s.l. Crematogaster abstinens Forel, 1899. Fernández et al. (1996) (PCM). Amali, Cañón del Porce: 980 m a.s.l. Crematogaster crinosa Mayr, 1862. Longino (2003) (PCM). Amali, Cañón del Porce: 980 m a.s.l. Crematogaster curvispinosa Mayr, 1862. Longino (2003) (MSN, PCM, PA and PN). Amali, Cañón del Porce: 980 m a.s.l. Crematogaster distans Mayr, 1870. Fernández et al. (1996a), Longino (2003) (CAP, MSN, PCM, PO and PN). Rionegro: 2,120 m a.s.l. Támesis, San Nicolas rural lane, San Nicolas farm: 1,590 m a.s.l. Crematogaster limata Smith, 1858. Fernández et al. (1996a), Longino (2003) (MSN, PCM, PO and PN) Turbo Crematogaster montezumia Smith, 1858 (MSN, PCM and PN). Amagá: 1,392 m a.s.l. Crematogaster nigropilosa Mayr, 1870 (MSN, PCM, PO and PN). Valdivia: 1,102 m a.s.l. Támesis, La Virgen rural lane, La Virgen de la Peña farm: 1,470 m a.s.l. Cyphomyrmex cornutus Kempf, 1968 (PCM, PN, PO and TIOP). Frontino, Parque Nacional Natural Las Orquideas: 900 m a.s.l. Cyphomyrmex costatus Mann, 1922. Weber (1940). Note: C. colombianus is a junior synonymous of C. costatus Agron. Colomb. 31(3) 2013 (Bolton et al., 2006) (PCM, CAP and MSN). San Luis “El Refugio, Cañón de Rio Claro”: 515 m a.s.l. Cyphomyrmex rimosus Spinola, 1851 (PCM, CAP, PO, PN). Sonson, Llano Cañaveral, La Violeta stream: 1,000 m a.s.l. Cyphomyrmex transversus Emery, 1894. San Luis “El Refugio, Cañón de Rio Claro”: 515 m a.s.l. Cyphomyrmex vorticis Weber, 1940 (PCM). San Luis “El Refugio, Cañón de Rio Claro”: 515 m a.s.l. Eurhopalothrix bolaui Mayr, 1870 (PCM, CAP, MSN). Támesis, San Nicolas rural lane, San Nicolas farm: 1,590 m a.s.l. Nesomyrmex spininodis Mayr, 1887. Fernández et al. (1996). Note: Leptothorax spininodis is a junior synonymous of N. spininodis (Bolton et al., 2006) (PCM and PN). Amali, Cañón del Porce: 980 m a.s.l. Octostruma balzani Emery, 1894. San Luis “El Refugio, Cañón de Rio Claro”: 515 m a.s.l. (CAP, MSN, PCM, PO and PN). Amali, Cañón del Porce-Tenche: 1,000 m a.s.l. Octostruma iheringi Emery, 1888 (MSN, PCM). Támesis, La Virgen rural lane, La Virgen No. 1 farm: 1,540 m a.s.l. San Luis “El Refugio, Cañón de Rio Claro”: 515 m a.s.l. Pheidole angulifera Wilson, 2003. New record for Colombia (PCM). Amali, Cañón del Porce: 980 m a.s.l. Hylomyrma reitteri Mayr, 1887 (PCM). Frontino: 900 m a.s.l. Pheidole biconstricta Mayr, 1870 (PCM, PO, PA and PN). Amali, Cañón del Porce-San Ignacio: 970 m a.s.l. Megalomyrmex foreli Emery, 1890. Brandão (1990), Fernández et al. (1996) (TIOC, PCM, PO and PN). Medellin, Universidad Nacional-Núcleo El volador: 1,538 m a.s.l. Pheidole bilimeki Mayr, 1870 (PCM). Amali, Cañón del Porce: 980 m a.s.l. Megalomyrmex incisus F. Smith, 1947 (PO, CAP, PCM and MSN). Amali, Cañón del Porce: 980 m a.s.l. Megalomyrmex leoninus Forel, 1885 (PCM, PO, PN and PA). Amali, Cañón del Porce-Normandia: 1,045 m a.s.l. Amali, Cañón del Porce-San Ignacio: 970 m a.s.l. Pheidole browni Wilson, 2003 (PCM). Amali, Cañón del Porce: 980 m a.s.l. Pheidole colobopsis Mann, 1916. Wilson (2003) Amali (PCM). Cañón del Porce: 980 m a.s.l. Pheidole guilelmimuelleri Forel, 1886. Fernández et al. (1996a) (PCM). Amali, Cañón del Porce: 980 m a.s.l. Megalomyrmex pacova Brandao. Amali, Cañón del Porce: 980 m a.s.l. Pheidole quadriceps Wilson, 2003. Wilson (2003) (PCM). Amali, Cañón del Porce: 980 m a.s.l. Megalomyrmex poatan Brandão, 1990 (MSN and PCM). Amali, Cañón del Porce: 980 m a.s.l. Procryptocerus attenuatus F. Smith, 1876. Amali, Cañón del Porce: 980 m a.s.l. Megalomyrmex silvestrii Wheeler, 1929 (CAP, MSN, PA and PCM). Amali, Cañón del Porce: 980 m a.s.l. Procryptocerus coriarius Mayr, 1870. Longino and Snelling (2002) (PCM and PN). Amali, Cañón del Porce: 980 m a.s.l. Santa Bárbara, Versalles rural lane: 1,800 m a.s.l. Megalomyrmex wallacei Mann, 1916 (PCM and PA). Amali, Cañón del Porce: 980 m a.s.l. Monomorium loricola Jerdon, 1851. Fernández et al. (1996), Vergara-Navarro et al. (2007) (CAP, PCM, PO, PA and PN). Santafe de Antioquia, La Contadora rural lane, Las Flores farm: 550 m a.s.l. Medellin, Universidad NacionalNúcleo El volador: 1,496 m a.s.l. Procryptocerus ferreri Forel, 1912 (MSN, PCM). Amali, Cañón del Porce: 980 m a.s.l. Procryptocerus hylaeus Kempf, 1951 (MSN, PCM and PN). Amali, Cañón del Porce: 980 m a.s.l. Procryptocerus pictipes Emery, 1896. Longino and Snelling (2002) (PCM and PO). Amali, Cañón del Porce: 980 m a.s.l. Monomorium pharaonis Linnaeus, 1758. Fernández et al. (1996) (PCM, PO and PN). Arboletes: 10 m a.s.l. San Luis “El Refugio, Cañón de Rio Claro”: 515 m a.s.l. Procryptocerus scabriusculus Forel, 1899. La Pintada: 980 m a.s.l. Mycocepurus smithii Forel, 1893 (PCM, PN and PO). Amali, Cañón del Porce-Fosforito: 945 m a.s.l. Procryptocerus schmitti Forel, 1901. Cañón del Porce: 980 m a.s.l. Myrmicocrypta urichi Weber, 1937. New record for Colombia (PCM). Amali, Cañón del Porce: 980 m a.s.l. Pyramica grytava Bolton, 2000. Vergara-Navarro et al. (2007) (PCM). Amali, Cañón del Porce: 980 m a.s.l. Vergara-Navarro and Serna: A checklist of the ants (Hymenoptera: Formicidae) of the department of Antioquia, Colombia and new records for the country 335 Pyramica laevipleura Kempf, 1958. Fernández et al. (1996). Note: Strumigenys laevipleura is a junior synonymous of P. laevipleura (Bolton et al., 2006) (PCM). Amali, Cañón del Porce: 980 m a.s.l. Pyramica margaritae Forel, 1893. Bolton (2000) (PCM, PO and PN). Amali, Cañón del Porce: 980 m a.s.l. Pyramica schulzi Emery, 1894 (PCM). Amali, Cañón del Porce: 980 m a.s.l. Pyramica wheeleri Smith, 1944 (PCM, PN). Amali, Cañón del Porce: 980 m a.s.l. Pyramica xenognatha Kempf, 1958 Fernández et al. (1996), Bolton (2000) (PCM). Amali, Cañón del Porce: 980 m a.s.l. Rhopalothrix ciliata Mayr, 1870 (PCM). Támesis, La Virgen rural lane, La Cumbre farm: 1,610 m a.s.l. Rogeria alzatei Kugler, 1994. Fernández et al. (1996a) (CAP, MSN, PCM, PO and PN). Amali, Cañón del Porce: 980 m a.s.l. Trachymyrmex bugnioni Forel, 1912 (MSN and PCM). Amali, Cañón del Porce: 980 m a.s.l. Trachymyrmex cornetzi Forel, 1912 (MSN and PCM). Amali, Cañón del Porce: 980 m a.s.l. Trachymyrmex zeteki Weber, 1940. Amali, Cañón del Porce: 980 m a.s.l. Tranopelta gilva Mayr, 1866. Vergara-Navarro et al. (2007) (PCM, PA and PN). Medellin, Universidad NacionalNúcleo El Volador: 1,493 m a.s.l. Támesis, El Hacha rural lane, La Miranda farm: 1,510 m a.s.l. San Luis “El Refugio, Cañón de Rio Claro”: 515 m a.s.l. Wasmannia auropunctata Roger, 1863. Serna (1999), Vergara-Navarro et al. (2007) (CAP, MSN and PCM). Medellin: 1,538 m a.s.l. Frontino, Parque Nacional Natural Las Orquideas: 900 m a.s.l. San Luis “El Refugio, Cañón de Rio Claro”: 515 m a.s.l. PARAPONERINAE Rogeria gibba Kugler, 1994. Fernández et al. (1996a) (PCM). Amali, Cañón del Porce: 980 m a.s.l. Paraponera clavata Fabricius, 1775. Fernández (1993), Fernández et al. (1996a), Serna and Vergara-Navarro (2007a) (PN, PA, PO, PCM and PG). Urrao: 1,600 m a.s.l. Urrao: 1,800 m a.s.l. Dabeiba: 450 m a.s.l. Turbo: 2 m a.s.l. Mutata: 66 m a.s.l. Frontino, Parque Nacional Natural Las Orquideas: 1,350 m a.s.l. Santa Barbara: 1,846 m a.s.l. Solenopsis gayi Spinola, 1851. Fernández et al. (1996a) (PCM, PO, PN). Amali, Cañón del Porce: 980 m a.s.l. PONERINAE Rogeria foreli Emery, 1894. Vergara-Navarro et al. (2007) (PCM). Amali, Cañón del Porce: 980 m a.s.l. Solenopsis geminata Fabricius, 1804. Toro (2002), VergaraNavarro et al. (2007) (CAP, PCM, PO, PA and PN). Medellin, Universidad Nacional-Núcleo El volador: 1,593 m a.s.l. Santo Domingo: 1,950 m a.s.l. Caucasia: 80 m a.s.l. Solenopsis laeviceps Mayr, 1870 (PCM, MSN). Amali, Cañón del Porce: 980 m a.s.l. Solenopsis subterranea Mackay and Vinson, 1989. New record for Colombia (PCM). Amali, Cañón del Porce: 980 m a.s.l. Stegomyrmex manni Smith, 1946. Serna (2002) (PCM). Amali, Cañón del Porce-San Ignacio: 970 m a.s.l. Strumigenys godmani Forel, 1899 (PCM). San Luis “El Refugio, Cañón de Rio Claro”: 515 m a.s.l. Strumigenys margiventris Santschi, 1931 (PCM). Amali, Cañón del Porce: 980 m a.s.l. Strumigenys perparva Brown, 1958. Vergara-Navarro et al. (2007) (PCM, PO and PN). Amali, Cañón del Porce: 980 m a.s.l. 336 Anochetus diegensis Forel, 1912. Fernández (2007), Serna and Vergara-Navarro (2007a) (CAP, PCM, MSN, PO and PN). Amali, Cañón del Porce: 980 m a.s.l. Anochetus simoni Emery, 1890. Támesis, San Nicolas rural lane, San Nicolas farm: 1,510 m a.s.l. Odontomachus ainis Guérin-Méneville, 1844. Serna and Vergara-Navarro (2007a) (PCM). Frontino: 900 m a.s.l. Odontomachus bauri Emery, 1892. Fernández et al. (1996a), Serna and Vergara-Navarro (2007a) (CAP, PCM, PA, PN, MSN, PO and PG). Venecia: 1,300 m a.s.l. Cocorná, La Veta rural lane: 980 m a.s.l. San Luis “El Refugio, Cañón de Rio Claro”: 515 m a.s.l. Odontomachus chelifer Latreille, 1802. Fernández et al. (1996a), Serna and Vergara-Navarro (2007a) (CAP, PCM, PO, PN and MSN). Amali, Cañón del Porce: 1,000 m a.s.l. Gómez Plata: 1,828 m a.s.l. La Ceja: 2,149 m a.s.l. Santo Domingo: 1,100 m a.s.l. Medellin: 1,538 m a.s.l. Guarne: 2,150 m a.s.l. Porce: 990 m a.s.l. Campamento: 1,750 m a.s.l. Santa Barbara: 1,846 m a.s.l. Agron. Colomb. 31(3) 2013 Odontomachus erythrocephalus Emery, 1890. Fernández et al. (1996), Toro (2002), Vergara-Navarro et al. (2007) (CAP, PCM, PA and PN). Donmatías, La Frijolera rural lane: 2,156 m a.s.l. Angostura, Santa Ana rural lane: 1,637 m a.s.l. Ituango: 1,550 m a.s.l. Arboletes: 10 m a.s.l. Medellin: 1,493 m a.s.l. Gómez Plata, La Clara rural lane, Vegas de la Clara farm: 1,080 m a.s.l. Amali, Cañón del Porce: 970 m a.s.l. Támesis, Alacena rural lane, Villa Fatima farm: 1,870 m a.s.l. Cocorná: 1,300 m a.s.l. Envigado: 1,575 m a.s.l. Bello Fontidueño: 1,495 m a.s.l. Itagui Ferrara: 1,000 m a.s.l. Guarne: 2,143 m a.s.l. Caldas, Reserve of Alto de San Miguel (lower), La Estrella: 1,764 m a.s.l. Copacabana, El Cabuyal rural lane: 1,650 m a.s.l. Gómez Plata: 1,080 m a.s.l. El Peñol, La Veta, Cocorná 970 m a.s.l. Puerto Nare, Nare river: 1,800 m a.s.l. San Luis “El Refugio, Cañón de Rio Claro”: 515 m a.s.l. and PG). Amali, Cañón del Porce-Tenche: 1,000 m a.s.l. San Luis “El Refugio, Cañón de Rio Claro”: 515 m a.s.l. Pachycondyla constricta Mayr, 1884. Serna and VergaraNavarro (2007a) (PCM, PO, PN, PA, CAP and PG) Amali, Cañón del Porce-Santa Lucia: 1,020 m a.s.l. Amali, Cañón del Porce-Tenche: 1,000 m a.s.l. San Luis “El Refugio, Cañón de Rio Claro” 515 m a.s.l. Pachycondyla crassinoda Latreille, 1802. Fernández et al. (1996a), Serna and Vergara-Navarro (2007a) (PCM, PO, PA, PN and PG) Santo Domingo Porce: 1,000 m a.s.l. Pachycondyla crenata Roger, 1861. Vergara-Navarro et al. (2007), Serna and Vergara-Navarro (2007a) (PCM, PO, PA and CAP) Amali, Cañón del Porce-Tenche: 1,000 m a.s.l. Ituango: 1,575 m a.s.l. Odontomachus haematodus Linnaeus, 1758. Fernández et al. (1996), Serna and Vergara-Navarro (2007a) ( PCM, PO, PA, PN and PG). Santo Domingo Porce: 1,100 m a.s.l. Cocorná, La Veta rural lane: 970 m a.s.l. Pachycondyla eleonorae Forel, 1921. Mackay et al. (2007), Serna and Vergara-Navarro (2007a) (PCM, PN and PA) Támesis, La virgen rural lane, La Cumbre farm. 1,610 m a.s.l. Odontomachus hastatus Fabricius, 1804. Serna and Vergara-Navarro (2007a) (PCM, PA and PN). Urrao: 1,800 m a.s.l. Pachycondyla fauveli Emery, 1896. Mackay et al. (2007) (PCM and PN). Amali, Cañón del Porce: 980 m a.s.l. Odontomachus mormo Brown, 1976. Serna and VergaraNavarro (2007a) (PCM and PN). San Luis “El Refugio, Cañón de Rio Claro”: 515 m a.s.l. Pachycondyla aenescens Mayr, 1870. Serna and VergaraNavarro (2007a) (PCM and PN). Sabaneta: 1,610 m a.s.l. Pachycondyla ferruginea Smith, 1858. Mackay et al. (2007), Serna and Vergara-Navarro (2007a) (PCM, PA and PN). San Luis “El Refugio, Cañón de Rio Claro”: 515 m a.s.l. Pachycondyla foetida Linnaeus, 1758. Mackay et al. (2007) (PO, PCM, PA and PN). Amali, Cañón del Porce: 980 m a.s.l. Pachycondyla arhuaca Forel, 1901. Serna and VergaraNavarro (2007a) (CAP, PCM, PA and PG). Amali, Cañón del Porce: 980 m a.s.l. Pachycondyla harpax Fabricius, 1804. Mackay et al. (2007), Vergara-Navarro et al. (2007), Serna and Vergara-Navarro (2007a) (CAP, PCM, PO, PA, PN and PG). Ituango: 1,550 m a.s.l. Donmatías, La Frijolera rural lane: 2,156 m a.s.l. Amali, Cañón del Porce: 975 m a.s.l. Gómez Plata: 1,828 m a.s.l. Medellin, El Poblado district: 1,538 m a.s.l. Bello: 1,495 m a.s.l. Santafe de Antioquia: 550 m a.s.l. El Retiro, El Barcino rural lane: 2,109 m a.s.l. Támesis, La Virgen rural lane, La Virgen No. 1 farm: 1,500 m a.s.l. San Luis “El Refugio, Cañón de Rio Claro”: 515 m a.s.l. Pachycondyla atrovirens Mayr, 1866. Kempf (1972), Fernández et al. (1996a), Serna and Vergara-Navarro (2007a) (PCM). Amali, Cañón del Porce: 980 m a.s.l. Pachycondyla holmgreni Wheeler, 1925. Serna and VergaraNavarro (2007a) (PCM and PN). Amali, Cañón del Porce: 990 m a.s.l. Pachycondyla carbonaria Smith, 1858. Fernández et al. (1996a), Serna and Vergara-Navarro (2007a) (PCM, PN and PA). Medellin, Piedras Blancas rural lane: 2,950 m a.s.l. Carepa: 10 m a.s.l. Pachycondyla holcotyla Brown. Frontino: 900 m a.s.l. Caldas: 1789 m a.s.l. Concepción: 1862 m a.s.l. Pachycondyla apicalis Latreille, 1802. Fernández et al. (1996), Serna and Vergara-Navarro (2007a) (PCM, PO, PA, PN, MSN, CAP and PG) San Pedro: 2,000 m a.s.l. Gómez Plata: 1,828 m a.s.l. Puerto Triunfo, Rio Claro: 150 m a.s.l. Amali, Cañón del Porce: 1,100 m a.s.l. Santafe de Antioquia: 550 m a.s.l. Pachycondyla carinulata Roger, 1861. Mackay et al. (2007), Serna and Vergara-Navarro (2007a) (PCM, PA, PO, CAP Pachycondyla impressa Roger, 1861. Serna and VergaraNavarro (2007a) (PCM, PN, PA, MSN, CAP and PO). Angostura, Santa Ana rural lane: 1,637 m a.s.l. Cocorná: 1,300 m a.s.l. Caldas: 1,750 m a.s.l. Fredonia: 1,800 m Vergara-Navarro and Serna: A checklist of the ants (Hymenoptera: Formicidae) of the department of Antioquia, Colombia and new records for the country 337 a.s.l. San Carlos: 1,036 m a.s.l. Amali, Cañón del PorceNormandia: 1,045 m a.s.l. Envigado, El Salado rural lane: 1,800 m a.s.l. Pachycondyla obscuricornis Emery, 1890, Amali, Cañón del Porce: 970 m a.s.l. Gómez Plata 1,828 m a.s.l. Amali, Cañón del Porce: 950 m a.s.l. Cocorná, La Veta rural lane: 980 m a.s.l. Pachycondyla stigma Fabricius, 1804. Fernández et al. (1996), Serna and Vergara-Navarro (2007a) (PCM, PN, PA, PO, CAP and PG). Amali, Cañón del Porce: 970 m a.s.l. Puerto Triunfo, Rio Claro: 155 m a.s.l. Cocorná, La Veta rural lane: 980 m a.s.l. Santafe de Antioquia 550 m a.s.l. Pachycondyla theresiae Forel, 1899. Serna and VergaraNavarro (2007a) (PCM, PN). Mutata 66 m a.s.l. Pachycondyla verenae Forel, 1922. Fernández et al. (1996), Serna and Vergara-Navarro (2007a) (PCM, PN, PG, PA and PO). Amali, Cañón del Porce: 980 m a.s.l. Proceratium mancum Mann, 1922. Sossa-Calvo and Longino (2007). Amali, Cañón del Porce: 980 m a.s.l. PSEUDOMYRMECINAE Pseudomyrmex boopis Roger, 1863 (PCM, PN, PA, MSN, PO and CAP). Amali, Cañón del Porce-Fosforito: 970 m a.s.l. Amali, Cañón del Porce-Normandia: 1,045 m a.s.l. Santafe de Antioquia, Cotove farm: 607 m a.s.l. Pseudomyrmex cf. colei Enzmann, 1944 (PCM). Amali, Cañón del Porce: 980 m a.s.l. Pseudomyrmex cubaensis Forel, 1901. Fernández et al. (1996a), Vergara-Navarro et al. (2007) (PCM, PN, PA, MSN and PO). Medellin, Universidad Nacional-Núcleo El Volador: 1,493 m a.s.l. Pseudomyrmex curacaensis Forel, 1912 (PCM, PN, PA, MSN, PO and CAP). Amali, Cañón del Porce: 980 m a.s.l. Pseudomyrmex dendroicus Forel, 1904. Fernández et al. (1996a), Ward (1999) (PCM, PN, PA, PO). San Jerónimo 780 m a.s.l. Cocorná, La Veta rural lane: 980 m a.s.l. San Jerónimo 750 m a.s.l. Pachycondyla villosa Fabricius, 1804. Fernández et al. (1996a), Serna and Vergara-Navarro (2007a) (PCM, PN, PA, CAP, PO and PG). Donmatías, La Frijolera rural lane: 2,156 m a.s.l. Cocorná: 1,300 m a.s.l. San Luis: 1,075 m a.s.l. Turbo 2 m a.s.l. Chigorodo: 40 m a.s.l. Mutata 66 m a.s.l. Amali, Cañón del Porce: 1,100 m a.s.l. Pseudomyrmex elongatus Mayr, 1870. Vergara-Navarro et al. (2007) (PCM, PN, PA and PO). Santafe de Antioquia: 550 m a.s.l. Medellin, Universidad Nacional-Núcleo El Volador: 1,493 m a.s.l. Platythyrea sinuata Roger, 1860. Fernández et al. (1996), Serna and Vergara-Navarro (2007a). (PCM, PN, PA, PO). Amali, Cañón del Porce: 1,100 m a.s.l. Pseudomyrmex euryblemma Forel, 1899. Vergara-Navarro et al. (2007) (PCM and MSN). Medellin: 1,496 m a.s.l. Universidad Nacional-Núcleo El Volador: 1,493 m a.s.l. Simopelta fernandezi Mackay and Mackay, 2008 (PCM and PA). Amali, Cañón del Porce: 980 m a.s.l. Pseudomyrmex faber Smith, 1858. Aponte (2006) (PCM). Amali, Cañón del Porce: 980 m a.s.l. haumatomyrmex atrox Weber, 1939 (PCM, PN and CAP). Amali, Cañón del Porce: 980 m a.s.l. Pseudomyrmex iliformis Fabricius, 1804 (PCM, PN, PA, MSN, PO and CAP). Amali, Cañón del Porce-Fosforito: 945 m a.s.l. haumatomyrmex ferox Mann, 1922. Serna and VergaraNavarro (2007a) (PCM). Amali, Cañón del Porce: 980 m a.s.l. haumatomyrmex palludis Weber Amali, Cañón del Porce: 1,020 m a.s.l. PROCERATIINAE Discothyrea near isthmica Weber, 1940. Vergara-Navarro et al. (2007), Serna and Vergara-Navarro (2007a) Medellin: Probolomyrmex boliviensis Mann, 1923. Sossa-Calvo and Longino (2007), Serna and Vergara-Navarro (2007a). Támesis, La Virgen rural lane, La Cumbre farm: 1,610 m a.s.l. 338 Pseudomyrmex gebellii Forel, 1899 (PCM, PN and MSN). Anza: 620 m a.s.l. Bolívar: 1,200 m a.s.l. Santo Domingo: 1,100 m a.s.l. Amali, Cañón del Porce-La Calandría: 1,010 m a.s.l. Santafe de Antioquia, Cotove farm: 607 m a.s.l. Caucasia 50 m a.s.l. Betulia, Altamira rural lane, La Hondura farm: 1,000 m a.s.l. Pseudomyrmex gracilis Fabricius, 1804. Vergara-Navarro et al. (2007) (PCM, PN, PA, MSN, CAP and PO). Santafe de Antioquia: 600 m a.s.l. Amali, Cañón del PorceFosforito: 970 m a.s.l. Alejandría: 1,694 m a.s.l. Támesis, La Virgen rural lane, La Virgen No. 1 farm: 1,440 m a.s.l. Medellin, 2,000 m a.s.l. Venecia: 1,335 m a.s.l. Sopetrán: 750 m a.s.l. Tarazá: 100 m a.s.l. Guarne: 2,143 m a.s.l. Santo Domingo, Termales: 1,000 m a.s.l. Marinilla: 2,100 Agron. Colomb. 31(3) 2013 m a.s.l. San Luis “El Refugio, Cañón de Rio Claro”: 515 m a.s.l. Pseudomyrmex ita Forel, 1906 (PCM and MSN). Santafe de Antioquia, Cotove farm: 607 m a.s.l. Pseudomyrmex laevivertex Forel, 1906. Vergara-Navarro et al. (2007) (PCM and MSN). Amali, Cañón del Porce: 980 m a.s.l. Pseudomyrmex lisus Enzmann, 1944. New record for Colombia (PCM). Amali, Cañón del Porce 980 m a.s.l. Pseudomyrmex mordax Warming, 1894 (PCM). Amali, Cañón del Porce: 980 m a.s.l. Pseudomyrmex oculatus Smith, 1855 (PCM, PN, PA and PO). Amali, Cañón del Porce-La Calandría 1500 m a.s.l. Pseudomyrmex oki Forel, 1906 (PCM and MSN). Amali, Cañón del Porce: 980 m a.s.l. Pseudomyrmex pallens Mayr, 1870. Vergara-Navarro et al. (2007) (PCM, PN, PA and PO). Medellin, Universidad Nacional-Núcleo El volador: 1496 m a.s.l. Pseudomyrmex rochai Forel, 1912. Vergara-Navarro et al. (2007) (PCM and PN). Amali, Cañón del Porce: 980 m a.s.l. Pseudomyrmex sericeus Mayr, 1870 (PCM, PN and PA). Amali, Cañón del Porce-San Ignacio: 970 m a.s.l. Amali, Cañón del Porce-Fosforito: 945 m a.s.l. Pseudomyrmex simplex Smith, 1877 (PCM, PN, PA, PO, MSN and CAP). Medellin: 1,496 m a.s.l. Pseudomyrmex subtilissimus Emery, 1890. Aponte-Cubides (2006) (PCM). Amali, Cañón del Porce: 980 m a.s.l. Pseudomyrmex tenuissimus Emery, 1906 (PCM, PN, PA, MSN and PO). Santafe de Antioquia, Cotove farm: 607 m a.s.l. Pseudomyrmex termitarius Smith, 1855 (PCM, PN, PA, MSN and PO). Amali, Cañón del Porce-Fosforito: 970 m a.s.l. Amali, Cañón del Porce-La Frijolera: 1,550 m a.s.l. Pseudomyrmex urbanus Smith, 1877 (PCM). Amali, Cañón del Porce: 980 m a.s.l. Pseudomyrmex viduus Smith, 1858 (PCM, PN, PA and PO). Amali, Cañón del Porce: 980 m a.s.l. hese results constitute the irst approach to the general knowledge of the ant species-level of Antioquia and contribute to the support of studies involving taxonomy, biodiversity, ecology, conservation, and applied entomology in Colombia and the Neotropics. Acknowledgments he authors wish to thank he IDEA WILD foundation for its co-inancial support and all of the institutions, curators and directors of museums and collections that were visited, including the UNAB museum and the “Laboratorio de Ecología y Conservación Ambiental Universidad Nacional de Colombia” for logistical support, professor Norberto Parra (Universidad Nacional de Colombia, Medellín), INBio (“Instituto Nacional de Biodiversidad, Costa Rica”) for loaning the reference collection, Fabio Penati Curator of Entomology Museo Civico di Storia Naturale “Giacomo Doria”, he University of Texas at El Paso, Texas, USA, and Universidad Nacional de Colombia for supporting the postdoc position of the second author, the myrmecologists William Mackay, Phil Ward, Jefrey Sossa, Jack Longino, John Lattke, Carlos R. Brandão, Rodrigo M. Feitosa, José Pacheco and Monica Ospina, all collectors who helped us with this study, especially Francisco Yepes and Nathaly Vergara-Navarro, as well as Professor Hernán Echavarría of “Grupo Sistemática de Insectos Agronomía (SIA)”, who was a co-director of this project. literature cited Alonso, L.E. and D. Agosti. 2000. Biodiversity studies, monitoring, and ants: An overview. pp. 1-8. In: Agosti, D., J.D. Majer, L.E. Alonso, and T.R. Schultz (eds.). Ants: standard methods for measuring and monitoring biodiversity. Smithsonian Institution Press, Washington DC. Amarillo S., A.R. 1999. Hormigas (Hymenoptera: Formicidae) del Cañón del Río Claro (Antioquia, Colombia). pp. 88-89. In: Nates, G.P. (ed.). Resúmenes y memorias. III Encuentro IUSSI Bolivariana. Unión Internacional para el Estudio de los Insectos Sociales (IUSSI); Fondo FEN; Universidad Nacional de Colombia, Bogota. Aponte-Cubides, L.P. 2006. Hormigas de la subfamilia Pseudomyrmecinae (Hymenoptera: Formicidae) en Colombia. 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