Chrysotoxum fasciatum

Chrysotoxum fasciatum is a species of Holarctic hoverfly. [1]

Chrysotoxum fasciatum
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Diptera
Family:
Syrphidae
Subfamily:
Syrphinae
Tribe:
Syrphini
Genus:
Chrysotoxum
Species:
C. fasciatum
Binomial name
Chrysotoxum fasciatum
(Müller, 1764)
Synonyms
  • Chrysotoxum ventricosum Loew, 1864
  • Chrysotoxum coloradense Greene, 1918

Identification

External images For terms see Morphology of Diptera
Wing length 8-10·25 mm. Orange stigma. No dark wing spot. Apical antennomere longer than antennomeres 1 and 2 together. Abdomen arched, shortly ovate and thick in side view. Scutellum yellow with a darker centre.

Keys and accounts

  • Coe R.L. (1953) Syrphidae [2]
  • Van Veen, M. (2004) Hoverflies of Northwest Europe [3]
  • Van der Goot,V.S. (1981) De zweefvliegen van Noordwest - Europa en Europees Rusland, in het bijzonder van de Benelux[4]
  • Bei-Bienko, G.Y. & Steyskal, G.C. (1988) Keys to USSR insects. Diptera [5]

Distribution

Ireland through Europe [6] then East across the Palearctic to Siberia, Kamchatka and Japan.[7] Nearctic Manitoba westwards[1]

Biology

Habitat is wetlands and deciduous and conifer woodlands including fen carr, raised bogs, along stream edges. Also found in unimproved grassland and heath and Betula and Salix scrub.[8] Flowers visited include yellow composites, white umbellifers, Calluna, Frangula alnus, Hypochoeris, Leontodon, Leucojum aestivum, Ligustrum, Luzula sylvatica, Potentilla erecta, Ranunculus, Rubus, Salix repens, Sorbus aucuparia.[9] The flight period is May to September, with peaks in June and August.


References
  1. Vockeroth, J.R. (1991). The Flower Flies of the Subfamily Syrphinae of Canada, Alaska and Greenland. The Insects and Arachnids of Canada Part 18. Agriculture Canada. p. 456.
  2. Coe, R.L. (1953) Diptera: Syrphidae. Handbks.ident.Br.insects, 10(1): 1-98. R.ent.Soc.London.pdf
  3. Van Veen, M. (2004) Hoverflies of Northwest Europe: identification keys to the Syrphidae. 256pp. KNNV Publishing, Utrecht.
  4. 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.
  5. Bei-Bienko, G.Y. & Steyskal, G.C. (1988a) 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.
  6. Fauna Europaea
  7. Peck, L.V. (1988) Syrphidae. In: Soos, A. & Papp, L. (eds.) Catalogue of Palaearctic Diptera, 8: 11-230. Akad. Kiado, Budapest.
  8. Speight, M.C.D. (2011). "Species accounts of European Syrphidae (Diptera)" (PDF). Syrph the Net, the database of European Syrphidae. 65: 285pp.
  9. de Buck, N. (1990) Bloembezoek en bestuivingsecologie van Zweefvliegen (Diptera, Syrphidae) in het bijzonder voor België. Doc.Trav. IRSNB, no.60, 1-167.
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