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Type: Article
Published: 2020-09-23
Page range: 369–403
Abstract views: 79
PDF downloaded: 12

Revision of the Nearctic species of Gimnomera Rondani (Diptera: Scathophagidae), with morphological phylogeny and DNA barcodes

Department of Natural Resource Sciences, McGill University, Macdonald Campus, Ste-Anne-de-Bellevue, QC, H9X 3V9, Canada
Canadian National Collection of Insects & Canadian Food Inspection Agency, OPL-Entomology, K.W. Neatby Bldg., C.E.F., 960 Carling Ave., Ottawa, ON, K1A 0C6, Canada
Diptera Dung flies taxonomy morphology phylogenetic analysis distribution North America new species DNA barcodes


The Nearctic species of Gimnomera Rondani are revised and includes eight species, of which three are new to science (G. aquilonia sp. nov., G. cerea (Coquillett), G. cuneiventris (Zetterstedt), G. incisurata Malloch, G. subvittata (Malloch), G. terrywheeleri sp. nov., G. tibialis (Malloch), G. vockerothi sp. nov.). Gimnomera cuneiventris is newly recognized as Holarctic in distribution. Gimnomera fasciventris Malloch is removed and transferred to the genus Acerocnema, comb. nov. An additional Nearctic species is recognized but not described due to lack of male specimens. Species descriptions, diagnoses and distribution maps are presented, including images of the male terminalia as well as additional diagnostic characters. A key to the Nearctic species is also provided. A morphological cladistic analysis of 12 species reveals that the Nearctic and Palearctic species do not form separate monophyletic groups. COI mitochondrial DNA barcode sequences were obtained for eight Nearctic species of Gimnomera.



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