Rhaphium beringiense Negrobov & Vockeroth

• Main Authors: Negrobov, Oleg P., Barkalov, Аnatolii V., S, Оlga В., Va, E L I Va N O
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2012
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Diptera; Dolichopodidae; Rhaphium; Rhaphium beringiense; Taimyr; Tundra
• Online Access: https://doi.org/10.5281/zenodo.6174337; http://treatment.plazi.org/id/03CACE731E41CB1600BDFDC83B90F866

Rhaphium beringiense Negrobov & Vockeroth (Figs. 2 F–G) Rhaphium beringiense Negrobov & Vockeroth in Negrobov, 1979: 486. Material examined . Russia : 7 3, 1 Ƥ, Taimyr Nature Reserve, Ary-Mas field station, left bank of river Novaya, 14 m a.s.l., inundated terrace, 72.5°N, 101.94°E, 10–12.VII.2010, Coll. A. Barkalov, yellow pan traps; 1 3, Republic of Altai, Kosh-Agach district, springhead of Naryn-Gol river, Kal’dzhinkul’ Lake, 2477 m a.s.l., 49.83°N, 89.44°E, 19.VII.2009, coll. A. Barkalov; 1 Ƥ, Republic of Altai, Kosh-Agach district, springhead of Naryn-Gol river, 2520 m a.s.l., 49.49°N, 89.32°E, 16–19.VII.2009, coll. A. Barkalov; 1 Ƥ, Vrangel Island, Ushakovskij settlement, tundra, near pools, 28.VII.1975, coll. A. Barkalov. Description . Female (described for the first time). Body length: 2.8–2.9 mm, wing length: 3.0– 3.3 mm. Head : Face white, parallel-sided, well developed suture, in middle approximately 2X as broad as width of postpedicel (Fig. 2 F). Proboscis dark-brown; palpus black, with black hairs and silver pollinosity. Frons green with white dusting, shining on upper part. Occiput shining. Antenna black, postpedicel short, triangular, slightly longer than width at base (Fig. 2 G); stylus apical with short hairs, approximately 3X longer than length of postpedicel; ratio of postpedicel length to width and stylus length: 6/5/17. Lower postocular setae white. Thorax : Metallic dark green, scutum with brown pollinosity. Pleura grey pollinose; proepisternum with 1 white seta. Mesonotum without additional setae between dorsocentral and sutural setae; with 5 pairs of strong dorsocentral setae. Acrostichal setae short, arranged in two rows. Scutellum marging with 2 strong setae and 2 short hairs. Legs : Almost entirely black, trochanters and knees yellow. Coxae with white hairs; mid coxa without spur, with group of light hairs on tip. Hind coxa with 1 strong white seta and with some fine hairs. Fore and mid femora without long hairs; fore femur with 1 short preapical seta anteriorly and ...