Rhamphomyia kaninensis 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; Chironomidae; Rhamphomyia; Rhamphomyia kaninensis; Dikson; Taymyr; Arctic; Dikson Island; Taymyr Peninsula
• Online Access: https://zenodo.org/record/4407636; https://doi.org/10.5281/zenodo.4407636

Rhamphomyia kaninensis Frey (Figs 57–61) Rhamphomyia kaninensis Frey in Lundström & Frey, 1913: 7. Type locality: Arkhangelskaya Province, “Kambalnitsa” [~ 67°52′N 44°09′E], Russia. Other references: Frey, 1922: 42 (key), 1955b: 483 (revision); Gorodkov & Kovalev, 1969: 624 (key); Chvála & Wagner, 1989: 286 (catalogue); Shamshev, 2001b: 333 (key); Yang et al., 2007: 184 (catalogue); Shamshev, 2016: 77 (checklist). Material examined. RUSSIA. Krasnoyarskiy Terr. (Dikson Island): small island “Konus”, 31.vii.1948, Korotkevich (1 ♂, ZIN). Additional material. RUSSIA. Krasnoyarskiy Terr. (Taymyr Peninsula): Engelgardt Lake, NE shore, valley of brook, 2.vii.1967, KBG (3 ♂, 5 ♀, ZIN; 1 ♂, 1 ♀, CNC). Diagnosis. Mid-sized (wing length about 4.5 mm), robust, black setose flies with brownish thorax and greyish abdomen. Male mid tibia and mid basitarsus with numerous very long setae dorsally; hind tibia slightly uniformly thickened, hind basitarsus slender; abdomen densely light grey pruinescent; wing whitish, CuA+CuP (anal vein) complete, halter brown; abdominal tergite 8 without projections; cercus with finger-like projection near base dorsally; phallus well exposed, slender, gently sinuate on about middle. Female wing uniformly faintly brownish infuscate, legs without pennate setae. Redescription. Body length 4.5–4.9; wing length 4.3–4.5 mm. Male (Fig. 57). Head with dense greyish brown pruinescence on face, frons, postgena, ocellar triangle and occiput; dark setose. Holoptic; upper ommatidia enlarged; eyes touching. Frons represented by very small subtriangular space below ocellar tubercle and larger subtriangular space above antennae, bare. Face broad, bare. Ocellar triangle with 2 long and several shorter fine setae. Occiput with numerous long fine setae, including postoculars; postgena with numerous hair-like setae. Antenna blackish brown; scape slightly longer than pedicel, both with somewhat longer fine setae on outer side and short setulae on inner side; postpedicel conical, nearly 3X longer than wide; ...