Rhamphomyia (Pararhamphomyia) frigida Sinclair, Vajda, Saigusa & Shamshev 2019, sp. nov.

• Main Authors: Sinclair, Bradley J., Vajda, Élodie A., Saigusa, Toyohei, Shamshev, Igor V., Wheeler, Terry A.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2019
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Diptera; Chironomidae; Rhamphomyia; Rhamphomyia frigida; Yukon; Northwest Territories; Canada; Tuktoyaktuk; Sinclair; Waterhouse; Arctic; Herschel; Alaska
• Online Access: https://zenodo.org/record/3796942; https://doi.org/10.5281/zenodo.3796942

Rhamphomyia (Pararhamphomyia) frigida Sinclair, Vajda, Saigusa & Shamshev sp. nov. (Figs 25, 26) urn:lsid:zoobank.org:act: 199A8094-8B4A-45CD-8453-30ACBF0297A8 Type material. HOLOTYPE ♂, labelled: “Herschel Is. Y. T. [Yukon Territory, Canada]/ 11.VII.1953 / C. D. Bird ”; “ HOLOTYPE / Rhamphomyia / (Pararhamphomyia) frigida / Sinclair, Vajda, Saigusa &/ Shamshev [red label]” (CNC). PARATYPES: CANADA. Northwest Territories: Tuktoyaktuk, 15.vii.1971, D.M. Wood (1 ♂, CNC); same locality, 69°26′16.20″N 133°1′2.16″W, pan trap, meadow, 15–18.vii.2010, Goulet & Boudreault (1 ♂, 1 ♀, CNC); same locality, 69°26′40.02″N 133°1′55.74″W, sweeping, meadow, 14.vii.2010, Goulet & Boudrealt (1 ♂, 1 ♀, CNC). Yukon: Same data as holotype, 9–23.vii.1953 (18 ♂, 29 ♀, CNC; 1 ♀, ZIN); Herschel Is., 11–26.vii.1953, J.S. Waterhouse (10 ♂, 8 ♀, CNC; 1 ♂, ZIN). USA. Alaska: St. Paul Island [Pribilof Islands] [not shown on Fig. 28], 15.viii.1897 (2 ♂, USNM). Diagnosis. This dark-legged and dark setose species is distinguished from other Pararhamphomyia by long, strong coxal setae, male hind tibia with anterodorsal and posterodorsal setae longer than 2X tibial width on apical 2/3, epandrium prolonged apically into short, finger-like projection, phallus extending beyond epandrium, without loops and simple subepandrial lobes. Description. Wing length 4.2–5.0 mm. Male. Head dark in ground-colour, with greyish pruinescence on face, frons and occiput. Holoptic, eye with ommatidia larger on upper half and smaller on lower half. Frons represented by very small triangular space below ocellar tubercle and larger subtriangular space above antennae, bare; face short, almost parallel, although slightly divergent towards mouthparts; bare, with oral margin dark and shiny. Ocellar triangle dark, with 1 anterior pair of dark, parallel setae and 1 pair of shorter posterior setae; 2 pairs of dark postocellar setae, no longer than posterior ocellar setae. Occiput bearing row of dark, curved postocular setae only on upper half of occiput; ...