Cheilosia chrysocoma is a European species of hoverfly.
Description External images For terms see Morphology of Diptera The wing length is 8-10·25 mm. Wing cross veins darkened. Antennae with third segment brownish-red to yellowish-red and squarish above at the tip and the arista almost bare. Face with a small and rounded central knob situated lower than is usual in Cheilosia. Abdomen with conspicuously bright foxy-tawny pubescence. Mimics Osmia (Apidae). Van Veen, M. (2004) Hoverflies of Northwest Europe: identification keys to the Syrphidae. 256pp. KNNV Publishing, Utrecht. Van der Goot, V.S. (1981) De zweefvliegen van Noordwest - Europa en Europees Rusland, in het bijzonder van de Benelux. KNNV, Uitgave no.32: 275pp. Amsterdam. Bei-Bienko, G.Y. & Steyskal, G.C. (1988) Keys to the Insects of the European Part of the USSR, Volume V: Diptera and Siphonaptera, Part I. Amerind Publishing Co., New Delhi. .Coe, R.L. (1953) Diptera: Syrphidae. Handbks.ident.Br.insects, 10(1): 1-98. R.ent.Soc.London. pdf
Distribution Cheilosia chrysocoma is a Palearctic species.Fauna Europaea North Europe and Central Europe East to Russian Far East and Siberia.Peck, L.V. (1988) Syrphidae. In: Soos, A. & Papp, L. (eds.) Catalogue of Palaearctic Diptera, 8: 11-230. Akad.Kiado, Budapest.
Biology The habitat is wetland and Alnus and Salix woodland. Fen carr and alluvial softwood forest. Along tracks and in glades, on low-growing vegetation in the sun. Flowers visited include Caltha, Crataegus, Narcissus, Prunus, Ranunculus and Salix.de Buck, N. (1990) Bloembezoek en bestuivingsecologie van Zweefvliegen (Diptera, Syrphidae) in het bijzonder voor België. Doc.Trav. IRSNB, no.60, 1-167.
Females have been seen egg-laying on Angelica sylvestris which may be the larval host plant. Flight period is April to June.
References
External links Biolib