Rhamphomyia Meigen 1822

• Main Authors: Sinclair, Bradley J., Vajda, Élodie A., Saigusa, Toyohei, Shamshev, Igor V., Wheeler, Terry A.
• Format: Text
• Language: unknown
• Published: Zenodo 2019
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Diptera; Chironomidae; Rhamphomyia; Arctic; Canadian Arctic Archipelago; Greenland; Seta; Sinclair; Alar; Arctic Archipelago; Iceland
• Online Access: https://dx.doi.org/10.5281/zenodo.3796921; https://zenodo.org/record/3796921

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 : Published as part of Sinclair, Bradley J., Vajda, Élodie A., Saigusa, Toyohei, Shamshev, Igor V. & Wheeler, Terry A., 2019, Rhamphomyia Meigen of the Canadian Arctic Archipelago, Greenland and Iceland (Diptera: Empididae), pp. 1-94 in Zootaxa 4670 (1) on page 8, DOI: 10.11646/zootaxa.4670.1.1, http://zenodo.org/record/3773507