Cheilosia chrysocoma

Cheilosia chrysocoma is a European species of hoverfly.[1]

Cheilosia chrysocoma
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Diptera
Family:
Syrphidae
Subfamily:
Eristalinae
Tribe:
Rhingiini
Genus:
Cheilosia
Species:
C. chrysocoma
Binomial name
Cheilosia chrysocoma
(Meigen 1822)

Description

External images For terms see Morphology of Diptera
The wing length is 8-10·25 mm. Wing cross veins darkened. Antennae with third segment brownish-red to yellowish-red and squarish above at the tip and the arista almost bare. Face with a small and rounded central knob situated lower than is usual in Cheilosia. Abdomen with conspicuously bright foxy-tawny pubescence. Mimics Osmia (Apidae). [2] [3] [4][5]

Distribution

Cheilosia chrysocoma is a Palearctic species.[6] North Europe and Central Europe East to Russian Far East and Siberia.[7]

Biology

The habitat is wetland and Alnus and Salix woodland. Fen carr and alluvial softwood forest. Along tracks and in glades, on low-growing vegetation in the sun. Flowers visited include Caltha, Crataegus, Narcissus, Prunus, Ranunculus and Salix.[8] [9] Females have been seen egg-laying on Angelica sylvestris which may be the larval host plant. Flight period is April to June.

References
  1. Stubbs, Alan E. & Falk, Steven J. (1983). British Hoverflies: An Illustrated Identification Guide (2nd (revised) ed.). British Entomological & Natural History Society. p. 271, xvpp. ISBN 0-9502891-3-2.
  2. Van Veen, M. (2004) Hoverflies of Northwest Europe: identification keys to the Syrphidae. 256pp. KNNV Publishing, Utrecht.
  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. 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. de Buck, N. (1990) Bloembezoek en bestuivingsecologie van Zweefvliegen (Diptera, Syrphidae) in het bijzonder voor België. Doc.Trav. IRSNB, no.60, 1-167.
  9. Speight, M.C.D. (2011). "Species accounts of European Syrphidae (Diptera)" (PDF). Syrph the Net, the database of European Syrphidae. 65: 285pp.
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