Rhamphomyia (Pararhamphomyia) septentrionalis Sinclair, Vajda, Saigusa & Shamshev

• 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 septentrionalis; Canada; Mamontovaya; Northwest Territories; Perkatkun; Sinclair; Wrangel Island; Arctic; Chukotka
• Online Access: https://zenodo.org/record/4407622; https://doi.org/10.5281/zenodo.4407622

Rhamphomyia (Pararhamphomyia) septentrionalis Sinclair, Vajda, Saigusa & Shamshev (Figs 39, 40) Rhamphomyia (Pararhamphomyia) septentrionalis Sinclair et al., 2019: 65. Type locality: Victoria Is. (71°17′N, 114°W), Northwest Territories, Canada. Other references: Shamshev, 2016: 70 (checklist, partly as Rhamphomyia (Pararhamphomyia) tenuiterfilata Becker, 1900). Material examined. RUSSIA. Chukotka AO (Wrangel Island): middle flow of Mamontovaya River, N Perkatkun, osier-bed in river valley, 17, 21.vii.1972, KBG (17 ♂, 13 ♀, ZIN); same locality, 71°10′N 179°45′W, BT 14, 9.vii.2006, OAK (4 ex., SZM); same locality and biotope, Sw, 2.vii.2015, OAK (2 ♂, 5 ♀, ZIN); same locality, BT 3, 9.vii.2006, OAK (1 ex., SZM); same locality and biotope, Sw, 1.vii.2015, OAK (1 ♂, ZIN); same locality, BT 20 A, Sw, 2.vii.2015, OAK (2 ♂, ZIN); spurs of Pervaya Mtn, 71°09′N, 179°27′W, BT 11, Sw, 28.vi.2015, OAK (6 ♂, ZIN); upper flow of Neizvestnaya River, 71°13′N, 179°19′W, BT 4 A, 5.vii.2006, OAK (1 ex., SZM); same locality and biotope, Sw, 22.vi.2015, OAK (3 ♂, ZIN); same locality and biotope, 26.vi.2015, OAK (1 ♂, ZIN). Recognition. Mid-sized (wing length 5.4–6.1) blackish slender flies. Male (Fig. 39) holoptic; scutum faintly greyish pruinescent, with 4 narrow shiny vittae; presutural dc pale 1–2-serial, hair-like, moderately long, acr biserial, similar to but somewhat shorter than dc, laterotergite with pale setae; legs long, very slender, shiny, with strongly reduced setation; hind tibia gently curved inwards beyond middle, hind basitarsus long spindle-shaped, with dense long hair-like setae dorsally; wing faintly infuscate, CuA+CuP almost complete, well sclerotized, disappearing or evanescent just before wing margin, halter yellow; abdomen with shiny dorsum, covered with pale setae; terminalia longer than thorax; epandrium elongate, almost strap-like, somewhat broadly constricted on about middle, with broadly rounded apex; cercus long, but shorter than epandrium, narrow, constricted on about middle; phallus very long, ...