Rhamphomyia (Pararhamphomyia) longestylata 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 longestylata; Jonassen; Lappland; Mimerdalen; Norway; Pyramiden; Sarek; Svalbard; Svalbard Archipelago; Advent Bay; Arctic; Dryas octopetala; Tundra; Spitsbergen
• Online Access: https://zenodo.org/record/4477218; https://doi.org/10.5281/zenodo.4477218

Rhamphomyia (Pararhamphomyia) longestylata Frey (Figs 36, 37) Rhamphomyia longestylata Frey in Poppius et al., 1917: 682. Type localities: “Schwedisch-Lappland, Sarek: Pårte, Kåtokjokk”, Sweden. Rhamphomyia longestylata Frey in Lundström & Frey, 1913: 8 (nomen nudum). Rhamphomyia (Pararhamphomyia) longestylata Frey: Frey, 1922: 44 (revision); Melander, 1928: 196 (catalogue); Frey, 1955b: 485 (revision); Jonassen et al., 2013: 214 (faunistic survey); Kahanpää, 2014: 187 (checklist); Shamshev, 2016: 65 (checklist). Rhamphomyia caudata: authors, nec Zetterstedt, 1838: Boheman, 1866: 570 (Rhamphomyza); Holmgren, 1869: 26; Collin, 1923: 116 (expedition results); Collin, 1961: 378 (revision); Hackman, 1968: 93 (faunistic survey); Chvála & Wagner, 1989: 299 (catalogue); Coulson & Refseth 2004: 104 (checklist Svalbard); Yang et al., 2007: 169 (catalogue). Material examined. NORWAY. Spitsbergen (Svalbard Archipelago): Advent Bay, Holmgren (5 ♂, 6 ♀, NHRS); Mimerdalen, Pyramiden, tundra, 29.viii.1979, KBG; on flowers of Dryas octopetala (1 ♂, 1 ♀, ZIN). Diagnosis. Mid-sized (wing length about 4 mm), blackish, shiny flies. Male (Fig. 36) holoptic; thorax and abdomen black setose, scutum and anepisternum shiny; legs dark brown, hind basitarsus slightly uniformly thickened, all tibiae and tarsi clothed in long numerous fine setae but hind tibia with long setae on about apical half only; abdomen shiny, epandrium and cerci elongate, cercus finger-like beyond dorsal cavity; phallus well exposed, filamentous, long, gently curved. Female with brownish infuscate wing, short setose slender legs without pennate setae. Redescription. Wing length 3.7–4.1 mm. Male (Fig. 36). Head with faint greyish pruinescence on face, frons, postgena, ocellar triangle and occiput; dark setose. Holoptic; upper ommatidia enlarged. 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 fine and some short setae. Occiput ...