Cheilosia reniformis Hellen 1930

• Main Authors: Prokhorov, A. V., Popov, G. V., Zaika, M. I.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2018
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Diptera; Syrphidae; Cheilosia; Cheilosia reniformis; Sakha; Sakha Republic; Yakutia; Siberia
• Online Access: https://doi.org/10.5281/zenodo.6404212; http://treatment.plazi.org/id/03F887A91630F70BFF56FCDBFC01FC68

Cheilosia reniformis Hellén, 1930 (figs 12–14) M a t e r i a l e x a m i n e d. Ukraine: Zakarpattia Region, Kamianytsia env., 48.70 N 22.43 E, Uzh River valley (left bank), 6.05.2017, 1 ♀ (A. Prokhorov). D i s t r i b u t i o n: “from Norway …; Finland; the western edge of European Russia and eastern Asiatic Russia (Yakutia) … also to an isolated, montane, Serbian population of what may be this species, pointing out that, while genetically this population is more similar to C. reniformis than to other elements of the C. vernalis complex, it might equally represent a distinct and as yet unnamed species” (Speight, 2016). In the Catalogue of Palaearctic Syrphidae (Peck, 1988) this species was recorded for Russia only from West Siberia, but Mutin & Barkalov (1999) provided the new data on the species range in the West Palaearctic: Siberia, south of Khabarovsk Region, Amur Region, Sakha Republic (Yakutia), and Irkutsk Region. Ukraine ( first record ). Such a record of this boreal species, relic in the nemoral part of Europe, is the second since the Serbian records (Ståhls et al., 2008). Diagnosis. Female: Head (fig. 14). Face black, weakly dusted and mostly shining, with facial tubercle and lower facial margin well developed (fig. 13); frons shining with short pale pile (black hairs present only before anterior ocellus), vertex shining with black hairs; basoflagellomere reddish, almost circular, arista almost bare, uniformly dark; eyes with short and very sparse whitish pile, lower part of eyes bare (fig. 14). Scutum and scutellum black and shining, with fine punctuation and short pale pile (hairs almost erect in our specimen), black bristles on hind rim of scutellum absent, but short bristles present on postalar calli; anterior anepisternum dusted, posterior anepisternum weakly dusted only at upper and posterior part, the rest is shiny; upper and lower hair spots on katepisternum widely separated; halter knob yellowish. Wing hyaline with yellowish tint and yellowish stigma. Legs: femora black with black ...