Rhamphomyia (Dasyrhamphomyia) erinacioides Malloch

Rhamphomyia (Dasyrhamphomyia) erinacioides Malloch (Figs 5–7) Rhamphomyia erinacioides Malloch, 1919: 45. Type-locality: Camden Bay, Alaska, USA. Other references: Melander, 1928: 194 (catalogue); Melander, 1965: 463 (catalogue); Danks, 1981: 465 (arctic insects); Cooper & Cumming, 1993: 32 (typ...

Full description

Bibliographic Details
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:
Online Access:https://zenodo.org/record/3796916
https://doi.org/10.5281/zenodo.3796916
Description
Summary:Rhamphomyia (Dasyrhamphomyia) erinacioides Malloch (Figs 5–7) Rhamphomyia erinacioides Malloch, 1919: 45. Type-locality: Camden Bay, Alaska, USA. Other references: Melander, 1928: 194 (catalogue); Melander, 1965: 463 (catalogue); Danks, 1981: 465 (arctic insects); Cooper & Cumming, 1993: 32 (type catalogue); Yang et al., 2007: 194 (catalogue). Rhamphomyia (Rhamphomyia) erinacioides Malloch: Shamshev, 2016: 75 (checklist). Type material examined. HOLOTYPE ♂ (Fig. 5A), labelled (Fig. 5B): “ HOLOTYPE / Rhamphomyia / erinaci- oides Mall./ CNC No. 215 [red label]”; “W. of Kangenevik [Konganevik]/ Camdin [Camden] Bay/ Alaska July, 4 [1914]”; “Canadian/ Arctic/ Expedition/ F.J. [F. Johansen] 1914”; “ Rhamphomyia / erinacioides/ Mall—type [hand written]” (CNC). PARATYPE: “ PARATYPE / Rhamphomyia / erinacioides/ Mall./ No. 215 [yellow label]”; “Barter Isl. [Alaska]/ arctic”; “D. Jenness/ Coll.”; “Canadian/ Arctic/ Expedition/ July 11, 1914 ” (1 ♂, CNC). Diagnosis. This species is distinguished from other Dasyrhamphomyia by the dichoptic male, body densely clothed in black setae, tibia with dense white ventral pile and anteroventral row of peg-like setae, hind femur with long basal anteroventral setae, apical half without setae, and male cerci reddish brown. Redescription. Wing length 4.8–5.0 mm. Male. Head dark brown in ground-colour, with faint pruinescence on face, frons, postgena and occiput; oral margin dark and lustrous. Dichoptic, eyes separated by nearly width of ocellar triangle, frons divergent towards antennae; eyes with ommatidia equal-sized throughout. Face divergent towards mouthparts, with oral margin dark and shiny. Ocellar triangle dark, with numerous setae. Postocular and occipital setae undifferentiated, numerous and long. Postgena with many hair-like, long, dark setae. Antenna dark; scape slightly longer than pedicel; postpedicel cone-like, less than 2X longer than basal width; stylus subequal to basal width of postpedicel. Palpus dark, with many dark, long setulae. Proboscis dark; clypeus with ...