Didea fasciata is a Holarctic species of hoverfly.
Description
External images For terms see Morphology of Diptera Wing length 8·25– 11 mm. Halteres with yellow knob. Face yellow, at most the tip of the central knob dark.Van Veen, M. (2004) Hoverflies of Northwest Europe: identification keys to the Syrphidae. 256pp. KNNV Publishing, Utrecht.addendumVan 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 The male genitalia are figured by Vockeroth (1969).Vockeroth J.R. (1969) A revision of the genera of the Syrphini (Diptera: Syrphidae).Memoirs of the Entomological Society of Canada 62: 1 –176. The Larva is described and figured by Heiss (1938) .Heiss, E.M. (1938) A classification of the larvae and puparia of the Syrphidae of Illinois exclusive of aquatic forms. Univ.Illinois Bull., 36: 1-142.
Distribution Palaearctic and Nearctic. Fennoscandia South to Spain; Italy and Greece. Ireland eastwards through Russia and the Russian Far East to the Pacific coast. North America from British Columbia South to New Mexico and East to New York. Oriental region to North India and FormosaPeck, L.V. (1988) Syrphidae. In: Soos, A. & Papp, L. (eds.) Catalogue of Palaearctic Diptera, 8: 11-230. Akad.Kiado, Budapest.
Biology Habitat: Deciduous and coniferous forest, tracksides, clearings. Flowers visited include white umbellifers, Arbutus unedo, Chaerophyllum, Crataegus, Galium, Hedera, Hypochoeris, Polygonum cuspidatum, Rubus fruticosus, Rubus idaeus, Sambucus, Urtica dioica, Viburnum opulus.de Buck, N. (1990) Bloembezoek en bestuivingsecologie van Zweefvliegen (Diptera, Syrphidae) in het bijzonder voor België. Doc.Trav. IRSNB, no.60, 1-167. The flight period is May to September. The aphid feeding larvae are arboreal, on both conifers and deciduous trees.
References