External images
For terms, see: Morphology of Diptera. Anteroventral black hairs are strongly bent towards the base of the femur 2; Tibia 1 uniformly widened from base to apex.
Palearctic: Norway and Finland south to northern France, Ireland east through Northern Europe and central Europe into European Russia and on through Siberia and the Russian Far East to the Pacific coast;Nearctic: from Alaska to New Brunswick and south to Utah.[8][9][10]
Biology
Habitat: Sedge and reed beds in fen and mire and along rivers or the edge of lakes.[11]
Flies April to September.
^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. Insects10(1): 1-98. R. Ent. Soc. London. pdf
^Peck, L.V. (1988). Syrphidae. In: Soos, A. & Papp, L. (eds.) Catalogue of Palaearctic Diptera, 8: 11-230. Akad. Kiado, Budapest.
^Vockeroth, J.R. (1992). The Flower Flies of the Subfamily Syrphinae of Canada, Alaska, and Greenland (Diptera: Syrphidae). Part 18. The Insects and Arachnids of Canada. Ottawa, Ontario: Canadian Government Pub Centre. pp. 1–456. ISBN0-660-13830-1.