A new genus and species of the tropiduchid planthopper of the tribe Tropiduchini is described as ... more A new genus and species of the tropiduchid planthopper of the tribe Tropiduchini is described as Bitara augusta gen. et sp. nov. from Madang Province, Papua New Guinea. It is the 18th species of Tropiduchini and the 9th genus known east of the Wallace line. It is another taxon with characteristic asymmetric genitalia within this tribe.
Two new fossil genera and two new species of biting midges from mid-Cretaceous Burmese amber are ... more Two new fossil genera and two new species of biting midges from mid-Cretaceous Burmese amber are described and illustrated: Burmahelea neli Szadziewski & Sontag gen. et sp. nov. (Atriculicoidini) and Nelohelea neli Szadziewski & Sontag gen. et sp. nov. (Ceratopogonini). This is the oldest record (99 Ma) of a predatory biting midge in the extant tribe Ceratopogonini and the subfamily Ceratopogoninae.
Trichomyia (Septemtrichomyia) grimaldii sp. nov. and Trichomyia (Trichomyia) fudalai sp. nov. fro... more Trichomyia (Septemtrichomyia) grimaldii sp. nov. and Trichomyia (Trichomyia) fudalai sp. nov. from the Lower Miocene Dominican amber are characterised, described, illustrated and their taxonomic position discussed. These fossils constitute the first record of the Trichomyiinae and increase the knowledge on the biodiversity of the biological inclusions from the Dominican amber. Chresonymy and subgeneric division of the genus Trichomyia are presented and briefly discussed.
Abstract A new species, Dorytocus jiaxiaoae Song, Szwedo & Bourgoin sp. nov., from the mid-Cr... more Abstract A new species, Dorytocus jiaxiaoae Song, Szwedo & Bourgoin sp. nov., from the mid-Cretaceous Burmese amber is described and illustrated. This species represents the first record of the adult of the extinct family Dorytocidae. The supplementary description for the fourth-instar nymph of Dorytocus ornithorhynchus Emeljanov & Shcherbakov is provided. The morphological peculiarities of the new fossil species are briefly discussed, and the diagnostic characters of the family diagnosis are suggested and improved is now based on the combination of both adult and nymph characters.
The first representative of Dysmorphoptilidae from the Middle Permian of China is described. Ling... more The first representative of Dysmorphoptilidae from the Middle Permian of China is described. Linglunxiellus chaohuensis gen. and sp. nov. is placed together with Permocixiella venosa Becker-Migdisova, 1961 from Kuznetsk Basin in the newly established subfamily Permocixiellinae subfam. nov., Eoscarterellinae stat. nov. is proposed as separate subfamily within Dysmorphoptilidae. The classification and fossil record of Dysmorphoptilidae is reviewed, and an annotated catalogue of included taxa in Dysmorphotiloidea is presented.
Abstract A new species of the fossil genus Minyohelea (Diptera: Ceratopogonidae) from the lower B... more Abstract A new species of the fossil genus Minyohelea (Diptera: Ceratopogonidae) from the lower Barremian (Lower Cretaceous) Lebanese amber is studied. The new species Minyohelea nexuosa sp. nov. is described, illustrated, and its unusual male genitalia is compared with those of the other fossil representatives of this extinct genus.
A new genus and species of Aleurodicinae whiteflies from the Eocene Baltic amber is described. Me... more A new genus and species of Aleurodicinae whiteflies from the Eocene Baltic amber is described. Medocellodes blackmani Drohojowska et Szwedo gen. et sp. nov. is the second representative of Aleurodicinae from Baltic amber, presenting mixture of plesiomorphic characters, as retention of median ocellus, with apomorphic states, shared also with other contemporaneous Aleurodicinae from Rovno amber. Morphological characters of the newly described fossil are briefly discussed.
Proceedings of the Geologists' Association, Apr 1, 2021
Abstract A planthopper originally assigned to the genus Boreocixius in Surijokocixiidae (Surijoko... more Abstract A planthopper originally assigned to the genus Boreocixius in Surijokocixiidae (Surijokocixioidea, Fulgoromorpha) from the Ladinian (Middle Triassic) of Tongchuan in Shaanxi, northwestern China is described as Boreocixius tongchuanensis Zhang et al. sp. nov. As the third species ascribed to the genus, it differs from its congeners in having the much larger tegmen with postnodal veinlets and pigmented bands, providing new morphological information for Boreocixius. The establishment of the new species further increases the diversity of Boreocixius and Surijokocixiidae as well.
A new genus and species of the tropiduchid planthopper of the tribe Tropiduchini is described as ... more A new genus and species of the tropiduchid planthopper of the tribe Tropiduchini is described as Bitara augusta gen. et sp. nov. from Madang Province, Papua New Guinea. It is the 18th species of Tropiduchini and the 9th genus known east of the Wallace line. It is another taxon with characteristic asymmetric genitalia within this tribe.
Two new fossil genera and two new species of biting midges from mid-Cretaceous Burmese amber are ... more Two new fossil genera and two new species of biting midges from mid-Cretaceous Burmese amber are described and illustrated: Burmahelea neli Szadziewski & Sontag gen. et sp. nov. (Atriculicoidini) and Nelohelea neli Szadziewski & Sontag gen. et sp. nov. (Ceratopogonini). This is the oldest record (99 Ma) of a predatory biting midge in the extant tribe Ceratopogonini and the subfamily Ceratopogoninae.
Trichomyia (Septemtrichomyia) grimaldii sp. nov. and Trichomyia (Trichomyia) fudalai sp. nov. fro... more Trichomyia (Septemtrichomyia) grimaldii sp. nov. and Trichomyia (Trichomyia) fudalai sp. nov. from the Lower Miocene Dominican amber are characterised, described, illustrated and their taxonomic position discussed. These fossils constitute the first record of the Trichomyiinae and increase the knowledge on the biodiversity of the biological inclusions from the Dominican amber. Chresonymy and subgeneric division of the genus Trichomyia are presented and briefly discussed.
Abstract A new species, Dorytocus jiaxiaoae Song, Szwedo & Bourgoin sp. nov., from the mid-Cr... more Abstract A new species, Dorytocus jiaxiaoae Song, Szwedo & Bourgoin sp. nov., from the mid-Cretaceous Burmese amber is described and illustrated. This species represents the first record of the adult of the extinct family Dorytocidae. The supplementary description for the fourth-instar nymph of Dorytocus ornithorhynchus Emeljanov & Shcherbakov is provided. The morphological peculiarities of the new fossil species are briefly discussed, and the diagnostic characters of the family diagnosis are suggested and improved is now based on the combination of both adult and nymph characters.
The first representative of Dysmorphoptilidae from the Middle Permian of China is described. Ling... more The first representative of Dysmorphoptilidae from the Middle Permian of China is described. Linglunxiellus chaohuensis gen. and sp. nov. is placed together with Permocixiella venosa Becker-Migdisova, 1961 from Kuznetsk Basin in the newly established subfamily Permocixiellinae subfam. nov., Eoscarterellinae stat. nov. is proposed as separate subfamily within Dysmorphoptilidae. The classification and fossil record of Dysmorphoptilidae is reviewed, and an annotated catalogue of included taxa in Dysmorphotiloidea is presented.
Abstract A new species of the fossil genus Minyohelea (Diptera: Ceratopogonidae) from the lower B... more Abstract A new species of the fossil genus Minyohelea (Diptera: Ceratopogonidae) from the lower Barremian (Lower Cretaceous) Lebanese amber is studied. The new species Minyohelea nexuosa sp. nov. is described, illustrated, and its unusual male genitalia is compared with those of the other fossil representatives of this extinct genus.
A new genus and species of Aleurodicinae whiteflies from the Eocene Baltic amber is described. Me... more A new genus and species of Aleurodicinae whiteflies from the Eocene Baltic amber is described. Medocellodes blackmani Drohojowska et Szwedo gen. et sp. nov. is the second representative of Aleurodicinae from Baltic amber, presenting mixture of plesiomorphic characters, as retention of median ocellus, with apomorphic states, shared also with other contemporaneous Aleurodicinae from Rovno amber. Morphological characters of the newly described fossil are briefly discussed.
Proceedings of the Geologists' Association, Apr 1, 2021
Abstract A planthopper originally assigned to the genus Boreocixius in Surijokocixiidae (Surijoko... more Abstract A planthopper originally assigned to the genus Boreocixius in Surijokocixiidae (Surijokocixioidea, Fulgoromorpha) from the Ladinian (Middle Triassic) of Tongchuan in Shaanxi, northwestern China is described as Boreocixius tongchuanensis Zhang et al. sp. nov. As the third species ascribed to the genus, it differs from its congeners in having the much larger tegmen with postnodal veinlets and pigmented bands, providing new morphological information for Boreocixius. The establishment of the new species further increases the diversity of Boreocixius and Surijokocixiidae as well.
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