Chrysotus komovi Negrobov, Barkalov & Selivanova, sp. nov.

• Main Authors: Barkalov, Oleg P. Negrobov Anatolij V., Selivanova, Olga V.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2014
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Diptera; Dolichopodidae; Chrysotus; Chrysotus komovi; Taimyr
• Online Access: https://doi.org/10.5281/zenodo.6137945; http://treatment.plazi.org/id/03E83341FFED2644ECDCF980D7B1FB9D

Chrysotus komovi Negrobov, Barkalov & Selivanova, sp. nov. (Figs 1 D–G) Type material . HOLOTYPE , ♂ labeled: Russia : Krasnoyarskij Kraj, Taimyr 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 (SZM). PARATYPES : Russia : 16 ♂, same data as holotype, coll. A. Barkalov. 14 ♂, Krasnoyarskij Kraj, Taimyr Peninsular left bank of river Zakharova Rassokha 72.7˚N, 101.05˚E, 11–20.VII.2011, coll. A. Barkalov (SZM and VSU). Diagnosis . Face narrow; postpedicel large, transversely oval; palpus brown. Lower postocular setae white; fore and hind trochanters and all femora dark; fore coxa with black hairs; mid tibia with 2 anterodorsal and 2 posterodorsal setae; hind femur and tibia without long setae and hairs; phallus without long processes. Description . Male : Body length: 2.0– 2.1 mm, wing length 1.9–2.0 mm. Head : Frons shiny green with purple tinge, without dusting. Eyes not contiguous. Face narrow green; under antennae with brown dusting, width in lower part in 5–6 times narrower than width of postpedicel. Antenna black; postpedicel large, transverse-oval, with a rounded tip (Fig. 1 E); arista apical, with short hairs. Ratio of postpedicel length to its width to arista length, 0.5/0.9/ 2.5. Proboscis brown. Palpus brown without silver dusting, with black hairs. Lower postocular setae white. Thorax : Dark-green; mesonotum with bluish reflection, covered with fine grey-brown dusting, 6 pairs of strong dorsocentral setae, acrostichal setae in two rows, long. Scutellum hind margin with 2 long and 2 short setae. Pleura with dense grey dusting; proepisternum with light setae. Legs: fore coxa dark-green with black hairs, mid and hind coxae with dark setae. Femora mostly greenish-brown, except narrowly light tips; fore femur with some short anteroventral setae near tip, length of which no longer femur width. Mid and hind femora with short anteroventral hairs. Fore and mid tibiae and tarsi yellow, apical segments of tarsi brown. ...