Cheilosia bergenstammi
Cheilosia bergenstammi (male)
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Diptera
Family:
Syrphidae
Subfamily:
Eristalinae
Tribe:
Rhingiini
Genus:
Cheilosia
Species:
C. bergenstammi
Binomial name
Cheilosia bergenstammi
Becker, 1894

Cheilosia bergenstammi is a widespread European species of hoverfly. Adults can be found in summer visiting ragwort flowers and this plant is also the larval hostplant.[1]

Description

External images For terms see Morphology of Diptera
A moderately large (wing length 7·25-9 25 mm.), rather broadly-built brown species (abdomen elongate in males oval in females). Third segment of the antennae entirely reddish. Hind tibia 3 pale with black ring. Part of the Cheilosia bergenstammi species group and difficult to determine.[2] [3] [4][5] The larva is figured by Smith (1979) [6]

Distribution

Scandinavia South to the Pyrenees and North Spain. Ireland east through central Europe to European Russia.[7][8]

Habitat.Ireland.

Biology

Habitat:open, grassy areas in coniferous and deciduous forest, eutrophic dune grassland; unimproved alpine pasture (the normal larval food-plant of Senecio jacobaea, is systematically removed from grassland grazed by cows and horses), edges of clearings, tracks and fields. Flowers visited include Allium, Caltha, Geranium, Hieracium, Primula, Ranunculus, Senecio, Taraxacum, umbellifers. The flight period is April to June and middle July to September.[9][10]

References

Wikimedia Commons has media related to Cheilosia bergenstammi.
  1. ↑ Stubbs, Alan E.; Falk, Steven J. (1983). British Hoverflies: An Illustrated Identification Guide. British Entomological & Natural History Society. p. 247, xvpp.
  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 Archived 2018-10-04 at the Wayback Machine
  6. ↑ Smith, K.G.V. (1979) The larva and puparium of Cheilosia bergenstammi Becker (Diptera: Syrphidae) with a summary of the known biology of the genus in Europe. Ent.Rec.J.Var., 91: 190-194.
  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. ↑ de Buck, N. (1990) Bloembezoek en bestuivingsecologie van Zweefvliegen (Diptera, Syrphidae) in het bijzonder voor België. Doc.Trav. IRSNB, no.60, 1-167.
  10. ↑ 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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