Rhamphomyia (Dasyrhamphomyia) brusewitzii Holmgren

Shamshev, Igor V., Sinclair, Bradley J. & Khruleva, Olga A., 2020, The empidoid flies (Diptera: Empidoidea, exclusive of Dolichopodidae) of the Russian Arctic islands and Svalbard Archipelago, Zootaxa 4848 (1), pp. 1-75 : 17-18

Rhamphomyia (Dasyrhamphomyia) brusewitzii Holmgren

( Fig. 10 )

Rhamphomyia brusewitzii Holmgren, 1880: 20 . Type locality (by lectotype designation): Novaya Zemlya Islands,Arkhangelskaya Province, Russia.

Other references: Holmgren & Aurivillius, 1883: 163 (expedition results); Shamshev & Sinclair, 2018: 308 (lectotype designation, redescription).

Rhamphomyia brusewitzi: Frey, 1915: 11 (faunistic survey); 1922: 67 (key).

Rhamphomyia (Rhamphomyia) hovgaardii: Frey, 1955b: 516 (revision); Chvála & Wagner, 1989: 286 (catalogue); Yang et al., 2007: 183 (catalogue); Shamshev, 2016: 76 (checklist).

Material examined. RUSSIA. Archangelskaya Prov. (Novaya Zemlya Archipelago): Beluzhja Bay , 5.vii.1904, Sokolovsky (1 ♂, 1 ♀, ZIN) ; foot of Pila Mtn, Matochkin Shar , 9.viii.1901, Timofeev (1 ♂, ZIN) ; Matochkin Shar, winter hut Razmyslova , 28.viii.1923, Lozina-Lozinsky (1 ♂, 1 ♀, ZIN) ; Matochkin Shar, brook Nochuev , 18– 19.vii.1925, Vakulenko (18 ♂, 10 ♀, ZIN) . Krasnoyarskiy Terr. (Dikson Island): wet marsh in lowland between hills (some specimens on Dryas punctata ), 28–30.vii.1948, Korotkevich (6 ♂, 5 ♀, ZIN) .

Recognition. Large, blackish brown species (wing length 6–6.5 mm). Male ( Fig. 10 ) eyes dichoptic, separated by very narrow frons; thorax black setose, scutum densely brownish pruinescent, without distinct vittae; all mesonotal setae strong, bristle-like, long, presutural dc 2–3-serial, acr biserial, 10–12 sctl; legs robust, entirely dark brown, hind femur entirely setose, hind tibia slender; wing brownish infuscate, halter brown; cerci directed anteriorly, short, prolonged nearly to middle of tergite 5, epandrium brownish to yellowish brown. Female legs not pennate.

Distribution. Eurasia. This species is known only from the Russian Arctic territories, including Novaya Zemlya Archipelago, Taymyr Peninsula ( Shamshev & Sinclair 2018) and Dikson Island.

Figures

FIGURES 10–13. Rhamphomyia (Dasyrhamphomyia), male habitus, lateral view. 10. R. (D.) brusewitzii Holmgren; 11. R. (D.) erinacioides Malloch; 12. R. (D.) hovgaardii Holmgren; 13. R. (D.) nigrita (Zetterstedt).