Revision of the Nearctic species of Gimnomera Rondani (Diptera: Scathophagidae) with morphological phylogeny and DNA barcodes Author Chagnon, Marie-Eve 0000-0001-7843-1060 Department of Natural Resource Sciences, McGill University, Macdonald Campus, Ste-Anne-de-Bellevue, QC, H 9 X 3 V 9, Canada & meh. chagnon @ gmail. com; https: // orcid. org / 0000 - 0001 - 7843 - 1060 meh.chagnon@gmail.com Author Sinclair, Bradley J. 0000-0001-6413-1606 Canadian National Collection of Insects & Canadian Food Inspection Agency, OPL-Entomology, K. W. Neatby Bldg., C. E. F., 960 Carling Ave., Ottawa, ON, K 1 A 0 C 6, Canada & bradley. sinclair @ canada. ca; https: // orcid. org / 0000 - 0001 - 6413 - 1606 bradley.sinclair@canada.ca text Zootaxa 2020 2020-09-23 4853 3 369 403 journal article 8412 10.11646/zootaxa.4853.3.3 e1297bcb-24e9-4306-8210-068cc6f5f482 1175-5326 4410845 5542FC21-6790-4F20-BDCC-393899A5D89E Gimnomera sp. A ( Fig. 18 ) Material examined. CANADA . Alberta : Banff NP , 51°16′55.2′′N 115°56′38.4′′W , 20.vii.2012 , BIOBus 2012 ( Sample ID : BIOUG03495 -B01) ( 1♀ , barcode-associated, CBG ) ; Waterton Lakes NP , 49°3′54′′N 113°46′44.4′′W , 27.vii.2012 , BIOBus 2012 ( Sample ID : BIOUG04892 -F02) ( 1♀ , barcode-associated, CBG ) . USA . Oregon : Marion Co., Silver Falls SP , North Falls , 44°53.074′N 122°37.219′W , 10.vii.2013 , B.J. Sinclair ( 1♀ , barcode-failed, CNC ). Washington : Skamania Co. , Gifford Pinchot NF , FR 23, mi 22, 46°19.901′N 121°43.213′W , 7.vii.2013 , B.J. Sinclair , roadside streams ( 1♀ , barcode-associated, CNC ) . Remarks. Gimnomera sp. A is known only from females, all associated based on COI barcodes, which also helped to indicate that these specimens are genetically different from other Nearctic species of Gimnomera ( Fig. 41 ). Males of this species are required for formal naming and description.