Tachypeza sericeipalpis Frey in Lundstrom & Frey 1913

• Main Authors: Shamshev, Igor V., Sinclair, Bradley J., Khruleva, Olga A.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2020
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Diptera; Hybotidae; Tachypeza; Tachypeza sericeipalpis; Nunavut; Northwest Territories; Canada; Seta; Wrangel Island; Sovetskaya; Arctic; Chukotka; Kanin peninsula; lena river; nenets; Nenets Autonomous Okrug; Yakutia
• Online Access: https://zenodo.org/record/4477252; https://doi.org/10.5281/zenodo.4477252

Tachypeza sericeipalpis Frey (Figs 77–80) Tachypeza sericeipalpis Frey in Lundström & Frey, 1913: 10. Type locality: Cape Mikulkin (Kanin Peninsula, 67°48′N 46°41′E), Nenets Autonomous Okrug, Russia. Other references: Frey, 1915: 14 (faunistic survey); Chvála, 1975: 224 (revision); Shamshev, 2016: 148 (checklist). Tachypeza dilutata Frey, 1915: 14 (as var. of sericeipalpis Frey). Type locality: Kharaulakhskij Ridge near mouth of the Lena River (~ 71°44′N 128°16′E), Yakutia, Russia. Material examined. CANADA. Northwest Territories: Ford Lake, 63°11′N 107°19′W, 23.vi.1966, G.E. Shewell (1 ♂, 1 ♀, CNC). Nunavut: Whatever Lake, 62°41′N 97°03′W, vii.1989, pitfall trap, J. Pilny (3 ♂, 1 ♀, CNC). RUSSIA. Chukotka AO (Wrangel Island): N Somnitelnaya Bay, 27.vii.1966, KBG (1 ♀, ZIN); northern slope of Berry Peak, 7 km ESE Sovetskaya Mtn, 350 m, on stones, 12.vii.1972, KBG (5 ♂, 6 ♀, ZIN). Recognition. Small blackish flies (body 2.5–3 mm) (Fig. 72); palpus pale to pale yellow, whitish pubescent, with short pale hair-like setae (sometimes 1 subapical seta brownish); prothoracic sclerites (except postpronotal lobe) densely silvery grey tomentose, mesopleuron almost entirely shiny, 1 strong npl, 2 broadly set similar sctl, 1 (sometimes 2) strong prescutellar dc; legs almost uniformly brown; halter with yellow knob. Male: mid femur with row of 6–7 closely set black short anteroventral spine-like setae on about basal 1/3 and 2 closely set, moderately long, spine-like setae near extreme base; mid tibia with shallow, ventral subapical excision. Male terminalia (Figs 78–80) large, brown, epandrium shiny. Cerci (Fig. 79) separated, shifted to inner margin of right epandrial lamella; right cercus digitiform, short, with apex slightly extended beyond apex of right epandrial lamella, covered with short setae stronger on inner margin; left cercus short, broad, subrectangular; with some short setae. Hypoproct weakly sclerotized, rather subtriangular, separated from both cerci, bare. Right epandrial lamella (Fig. 78) without ventral ...