词条 | Chrysotoxum bicinctum |
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| image = Syrphidae - Chrysotoxum bicinctum.JPG | image_width = 250px | image_caption = Chrysotoxum bicinctum. Male | image2 = Tvåbandad getingfluga06671.jpg | image2_width = 250px | image2_caption = Female | regnum = Animalia | phylum = Arthropoda | classis = Insecta | ordo = Diptera | familia = Syrphidae | genus = Chrysotoxum | species = C. bicinctum | binomial = Chrysotoxum bicinctum | binomial_authority = (Linnaeus 1758) | synonyms = *Chrysotoxum callosum (Harris, 1776)
}} Chrysotoxum bicinctum is a species of hoverfly. DescriptionExternal imagesChrysotoxum bicinctum can reach a length of about {{convert|10|-|13|mm}}. This species can be distinguished by the contrasting drawings and by the relatively narrow body shape. Thorax is glossy black with two gray longitudinal stripes. Body is relatively slim, the abdomen is long, oval and black with two light yellow bands (hence the Latin species name bicinctum). As in others Chrysotoxum species antennae are relatively long. They are dark, forward pointing and longer than the head. The head is large and wide and the face is yellow and almost flat. The legs are mainly yellow. The wings are transparent, with a large, dark brown spot near the wing tip.[2][3][4][5]The larvae are thought to feed on ant-attended root aphids. The adult flies can be found from May to September but they are commonest from mid-June to August. They visit a wide range of flowers.[6] DistributionFennoscandia south to Iberia and the Mediterranean basin, through Central Europe and Southern Europe (Italy, the Balkans, Bulgaria) East into Turkey and European Russia then to central Siberia. It is widespread throughout Britain and Europe but normally encountered in small numbers.[7][8] HabitatAdults are usually found on the edges of woodland or scrub or along hedgerows.[9] Bibliography
References1. ^Catalogue of Life 2. ^Van Veen, M. (2004) Hoverflies of Northwest Europe: identification keys to the Syrphidae. 256pp. KNNV Publishing, Utrecht.addendum 3. ^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. 4. ^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. {{ISBN|81-205-0080-6}}. 5. ^Coe, R.L. (1953) Diptera: Syrphidae. Handbks.ident.Br.insects, 10(1): 1-98. R.ent.Soc.London. pdf 6. ^de Buck, N. (1990) Bloembezoek en bestuivingsecologie van Zweefvliegen (Diptera, Syrphidae) in het bijzonder voor België. Doc.Trav. IRSNB, no.60, 1-167. 7. ^Fauna Europaea 8. ^Peck, L.V. (1988) Syrphidae. In: Soos, A. & Papp, L. (eds.) Catalogue of Palaearctic Diptera, 8: 11-230. Akad.Kiado, Budapest. 9. ^{{cite book|author1=Stubbs, Alan E. |author2=Falk, Steven J.|year=1983 |title=British Hoverflies: An Illustrated Identification Guide|pages=253, xvpp |publisher=British Entomological & Natural History Society}} External links
5 : Diptera of Europe|Syrphinae|Insects described in 1758|Articles containing video clips|Taxa named by Carl Linnaeus |
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