External images
For terms see Morphology of Diptera
Males: The abdomen bulges only slightly at end. The width to tergite 4 about equal to
length of sternite 4 and in the form of a slightly broadened rectangle toward
back side, about twice as long as wide. Frons relatively broad. Surstyli narrow
and long; length about four times width.
Females: width of sternite 4 about 1.5 times length.
Body length 6.0 to 7.0mm. See references for determination.[6][7][8][9]
Distribution
Palearctic Fennoscandia South to the Pyrenees and Spain. Ireland East through Central Europe and Southern Europe into European Russia and the Caucasus; through Siberia and the Russian Far East to Japan.[10][11]
^Ball, S.G.; Morris, R.K.A. (2000). Provisional atlas of British hoverflies (Diptera, Syrphidae). Monks Wood, UK: Biological Record Centre. pp. 167 pages. ISBN1-870393-54-6.
^Van Veen, M. (2004) Hoverflies of Northwest Europe: identification keys to the Syrphidae. 256pp. KNNV Publishing, Utrecht.addendum
^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. ISBN81-205-0080-6.
^Coe, R.L. (1953) Diptera: Syrphidae. Handbks.ident.Br.insects, 10(1): 1-98. R.ent.Soc.London. pdf