Rhamphomyia Meigen of the Canadian Arctic Archipelago, Greenland and Iceland (Diptera: Empididae) Author Sinclair, Bradley J. 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 Author Vajda, Élodie A. Department of Natural Resource Sciences, McGill University, Macdonald Campus, Ste-Anne-de-Bellevue, QC, H 9 X 3 V 9, Canada elodie.vajda@mail.mcgill.ca Author Saigusa, Toyohei 17 - 1 - 402 Baikoen 2 - chome, Chuo-ku, Fukuoka-shi 810 - 0035, Japan toyohei_saigusa@yahoo.co.jp Author Shamshev, Igor V. Laboratory of Insect Systematics, Zoological Institute, Russian Academy of Sciences, Universitetskaya nab. 1, St. Petersburg, 199034, Russia shamshev@mail.ru Author Wheeler, Terry A. McGill University, Macdonald Campus text Zootaxa 2019 2019-09-13 4670 1 1 94 journal article 22501 10.11646/zootaxa.4670.1.1 8e19d5d0-be5e-4022-a16c-b3ce0e554c54 1175-5334 3773507 urn:lsid:zoobank.org:pub:5D56C44D-BBAE-4CE7-9184-8A6DDC8009A4 Key to female Rhamphomyia of the Canadian Arctic Islands, Greenland and Iceland 1 Prosternum clothed entirely with white to brownish silky hair-like setae ( Fig. 3D )..... R. ( Ctenempis ) albopilosa Coquillett - Prosternum bare...................................................................................... 2 2 Hind femur with pennate setae ventrally ( Fig. 9B )........................................................... 3 - Hind femur without pennate setae ventrally................................................................. 6 3 Thorax with grey pruinescence, with brown colouration beneath rows of acrostichals and dorsocentral setae.................................................................................... R . ( Pararhamphomyia ) helleni Frey - Thorax brown, without brown vittae...................................................................... 4 4 Robust species with darkly infuscate wings; acrostichals multiserial and scutum brown with pair of greyish vittae between acrostichals and dorsocentral setae................................... R. ( Dasyrhamphomyia ) hovgaardii Holmgren - Slender species with lightly infuscate wings; acrostichals biserial; scutum shiny.................................... 5 5 Hind tibia with simple setae only ( Fig. 51A )............................................... R. herschelli Malloch - Hind tibia with pennate setae ( Fig. 56A )..................................................... R. laevigata Loew 6 Wing with basal costal seta............................................................................. 7 - Wing without basal costal seta.......................................................................... 14 7 Halter yellowish to white............................................................................... 8 - Halter brownish..................................................................................... 10 8 Scutum black subshiny beneath rows of dorsocentral setae; abdominal tergites shiny laterally............................................................... R . ( Eorhamphomyia ) shewelli Sinclair, Vajda, Saigusa & Shamshev sp. nov. - Scutum and abdominal tergites entirely pruinescent.......................................................... 9 9 Occiput with stout setae; dorsocentral setae multiserial; legs reddish, subshiny................ R. ( P. ) simplex Zetterstedt - Occiput without stout setae; dorsocentral setae uniserial; legs pale brown, not shiny................................................................................. R. ( P. ) lymaniana Sinclair, Vajda, Saigusa & Shamshev sp. nov. 10 Scutellum with at most 3 pairs of marginal setae............................................................ 11 - Scutellum with more than 3 pairs of marginal setae......................................................... 12 11 Scutum dark brown; hind tibia with numerous anterodorsal and posterodorsal setae longer than width of tibia................................................................................................. R. setosa Coquillett - Scutum dark, with greyish pruinescence; hind tibia with few dorsal setae, at most as long as width of tibia...................................................................................................... R. ( P. ) hoeli Frey 12 Thorax and, usually, legs with grey pruinescence............................................................................................................ R. ( P. ) petervajdai Sinclair, Vajda, Saigusa & Shamshev sp. nov. - Thorax and legs brown, without grey pruinescence.......................................................... 13 13 Hind tarsomere 1 with several long dorsal setae longer than width of tarsomere; anal lobe of wing darker than wing tip....................................................................... R. ( P. ) filicauda Henriksen & Lundbeck 13 Hind tarsomere 1 without long dorsal setae; anal lobe of wing similar to wing tip.................. R. hirtula Zetterstedt 14 Wing with cell bm greatly elongated with apex almost reaching wing margin, cell dm open and vein M 2 reduced (sometimes some portion present near wing margin); scutal vittae dark and shiny ( Fig. 62B ).............. R. ( P. ) diversipennis Becker - Wing with normal venation; scutal vittae, when present, pruinose.............................................. 15 15 Legs including coxae yellowish to yellowish-brown......................................................... 16 - Legs including coxae dark............................................................................. 17 16 Wing entirely darkly infuscate; scutum with brown vittae beneath rows of acrostichal and dorsocentral setae............................................................................................. R. ( D. ) leptidiformis Frey - Wing with infuscation fading toward wing base ( Fig. 62D ); scutum uniformly greyish pruinose........................................................................................................ R. ( P. ) hilariformis Frey 17 Anepisternum shiny; scutum with 1–2 pairs of shiny vittae between rows of acrostichals and dorsocentral setae......................................................................................... R. ( P. ) ursinella Melander - Anepisternum pruinose; scutum with or without shiny vittae.................................................. 18 18 Coxae with stout, stiff setae............................................................................ 19 - Coxae with thin setae................................................................................. 21 19 Wing darkly infuscate............................................................. R. ( P .) omissinervis Becker - Wing faintly infuscate................................................................................ 20 20 Hind tibia with ventral setae nearly subequal in length to width of tibia..................... R. ( P. ) kjellmanii Holmgren - Hind tibia with ventral setae at most half-length of tibia width..................................................................................................... R. ( P. ) frigida Sinclair, Vajda, Saigusa & Shamshev sp. nov. 21 Scutum with pair of shiny vittae between rows of acrostichals and dorsocentral setae and broad shiny supra-alar vitta................................................... R. ( P. ) septentrionalis Sinclair, Vajda, Saigusa & Shamshev sp. nov. - Scutum entirely pruinescent, with slightly prominent brownish vittae along rows of acrostichals and dorsocentral setae... 22 22 Smaller, about 5 mm ; darker, scutum almost uniformly dark brown, legs robust; halter brown....................................................................................................... R. ( D. ) erinacioides Malloch – Larger, 6–7 mm ; more greyish, scutal vittae quite distinct, legs slender; halter pale yellow........ R. ( D. ) nigrita Zetterstedt