Rhamphomyia (Pararhamphomyia) hoeli : Frey 1955

• Main Authors: Shamshev, Igor V., Sinclair, Bradley J., Khruleva, Olga A.
• Format: Text
• Language: unknown
• Published: Zenodo 2020
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Diptera; Chironomidae; Rhamphomyia; Rhamphomyia hoeli; Arctic; Svalbard; Hudson Bay; Canadian Arctic Archipelago; Svalbard Archipelago; Canada; Greenland; Hudson; Seta; Sinclair; Wrangel Island; Kristensen; Sovetskaya; Mamontovaya; Perkatkun; Arctic Archipelago; Chukotka; Iceland; Russian Arctic islands; Tundra
• Online Access: https://dx.doi.org/10.5281/zenodo.4407615; https://zenodo.org/record/4407615

Rhamphomyia ( Pararhamphomyia ) hoeli Frey (Fig. 34) Rhamphomyia ( Pararhamphomyia ) hoelsi Frey, 1950: 100. Type-locality: Greenland. Rhamphomyia hoeli : Frey, 1955b: 482 (revision); Downes, 1970: 779 (behaviour); Danks, 1981: 465 (arctic insects); Yang et al ., 2007: 171, 195 (catalogue); Barták, 2015: 576 (Greenland fauna); Sinclair et al ., 2019: 50 (lectotype designation, redescription). Material examined. Russia. Chukotka AO (Wrangel Island): Somnitelnaya Bay, on flower of Dryas integrifolia , spotted tundra, 19.vii.1966, KBG (2 ♂, 2 ♀, ZIN); environs of pass Vjuchny, NW Somnitelnaya Bay, 21.vii.1972, KBG (1 ♂, ZIN); 5 km N Somnitelnaya Bay, valley of Somnitelnaya River, small meadow, 25.vii.1972, KBG (2 ♀, ZIN); same locality, 7–8.vii.1972, KBG (2 ♀, ZIN); Somnitelnaya Bay, valley of Somnitelnaya River, Mineev Mtns, 150 m, pebbles, on flower of Potentilla emarginata , 22.vii.1966, KBG (7 ♂, 3 ♀, ZIN); near north slope of Berri Peak, 6 km ESE Sovetskaya Mtn, 15.vii.1972, KBG (5 ♂, 2 ♀, ZIN); upper flow of Khischniki River, 7 km SE mountain Sovetskaya, Dryas tundra near river, 200 m, 11.vii.1972, KBG (7 ♂, 2 ♀, ZIN); middle flow of Mamontovaya River, N Perkatkun, osier-bed in river valley, 17,22. vii.1972, KBG (8 ♂, 1 ♀, ZIN); same locality, 71°10′N 179°45′W, BT 20 A, YPT, 2–4.vii.2015, OAK (1 ♂, ZIN); spurs of Pervaya Mtn, 71°09′N, 179°27′W, BT 11, Sw, 28.vi.2015, OAK (2 ♂, ZIN); same locality, BT 14, Sw, 28.vi.2015, OAK (1 ♂, ZIN); upper flow of Neizvestnaya River, 71°13′N, 179°19′W, BT 5 А, 26.vi.2006, OAK (1 ♂, ZIN); same locality and biotope, 26.vi.2015, OAK (1♂, ZIN). Recognition. Rather small species (wing length 3.5–4.2 mm) with dark legs and densely pruinescent thorax and abdomen. Male (Fig. 34) holoptic; antenna dark brown; scutum brownish grey with two indistinct darker vittae between rows of acr and dc (dorsal view); thorax dark setose, upper proepisternum in front of spiracle with 0–2 short setae; mesonotal setae well differentiated, bristle-like, acrostichals and dorsocentrals long, 1–2-serial, 2–3 npl, 4 sctl; spiracles dark brown; legs dark setose, fore coxa with fine setae anteriorly, tibiae and tarsomeres slender; mid tibia with 2–3 anterodorsal setae (except 1 long seta of subapical circlet), about 2X as long as tibial width; hind tibia with moderately long strong setae dorsally, 1 seta in posteroapical comb; hind femur with complete row of anteroventral setae (longest subapical setae nearly as long as femur width), hind basitarsus only with short setae dorsally; wing whitish, CuA+CuP evanescent apically, not quite reaching wing-margin or extended as faint fold, basal costa seta present, axillary incision right-angled, halter pale brown to yellow; abdomen greyish, paler than thoracic pleuron, dark setose; terminalia small; cercus shorter than epandrium, with broad base, tapered at midlength to narrow apical portion, covered with short setulae; subepandrial lobe present, cylindrical, with pointed apex, projecting slightly farther than cercus; epandrium subtriangular, tapered to truncate, slightly bilobed setose apex, curved medially, outer apex with cluster of long, dark stout setae; hypandrium short, boot-shaped, ending in middle of swollen phallus base; phallus short, gently arched between epandrial lamellae, not forming loops, base swollen, apex with shallow S-shaped curvature. Female similar to male, except eyes dichoptic; wing slightly infuscate, CuA+CuP entirely sclerotized, brownish; leg chaetotaxy reduced, without pennate setae. Distribution. Holarctic; in North America, R . hoeli is known from the low and high arctic region east of Hudson Bay and Greenland (Sinclair et al . 2019); in Eurasia, it is recorded only from Wrangel Island. Habitat. On Wrangel Island this species was collected mainly in valleys of rivers and streams as well as some wet biotopes. : Published as part of Shamshev, Igor V., Sinclair, Bradley J. & Khruleva, Olga A., 2020, The empidoid flies (Diptera: Empidoidea, exclusive of Dolichopodidae) of the Russian Arctic islands and Svalbard Archipelago, pp. 1-75 in Zootaxa 4848 (1) on pages 32-34, DOI: 10.11646/zootaxa.4848.1.1, http://zenodo.org/record/4406987 : {"references": ["Frey, R. (1950) Neue palaarktische Rhamphomyia - Arten nebst Bestimmungstabelle der Rhamphomyia - Subgenera. Notulae entomologicae, 29 (1949), 91 - 119.", "Frey, R. (1955 b) 28. Empididae. In: Lindner, E. (Ed.), Die Fliegen der palaearktischen Region, 4 (4), 481 - 528, taf. 43 - 48 (Lfg. 183).", "Downes, J. A. (1970) The feeding and mating behaviour of the specialized Empidinae (Diptera): observations on four species of Rhamphomyia in the high arctic and a general discussion. The Canadian Entomologist, 102 (7), 769 - 791. https: // doi. org / 10.4039 / Ent 102769 - 7", "Danks, H. V. (1981) Arctic arthropods. A review of systematics and ecology with particular reference to the North American fauna. Entomological Society of Canada, Ottawa, 608 pp.", "Yang, D., Zhang, K., Yao, G. & Zhang, J. (2007) World Catalog of Empididae (Insecta: Diptera). China Agricultural University Press, Beijing, 599 pp.", "Bartak, M. (2015) 17.13 Empididae (Dance or Dagger flies). In: Bocher, J., Kristensen, N. P., Pape, T. & Vilhelmsen, L. (Eds.), The Greenland Entomofauna. An identification manual of insects, spiders and their allies. Fauna Entomologica Scandinavica, 44, pp. 575 - 576.", "Sinclair, J. B., Vajda, E. A., Saigusa, T., Shamshev, I. V. & Wheeler, T. A. (2019) Rhamphomyia Meigen of the Canadian Arctic Archipelago, Greenland and Iceland (Diptera: Empididae). Zootaxa, 4670 (1), 1 - 94. https: // doi. org / 10.11646 / zootaxa. 4670.1.1"]}