Cheilosia pagana

Cheilosia pagana is a Holarctic species of hoverfly. Like most Cheilosia it is black, and because of this may often be overlooked as a hoverfly.[1] One identifying feature is a large red to orange 3rd antennal segment.[2]

Cheilosia pagana
male
female
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Diptera
Family:
Syrphidae
Subfamily:
Eristalinae
Tribe:
Rhingiini
Genus:
Cheilosia
Species:
C. pagana
Binomial name
Cheilosia pagana
(Meigen, 1822)
Synonyms
  • Cheilosia floccosa (Verrall, 1901)
  • Cheilosia means Walker, 1851
  • Cheilosia pulchripes Loew, 1857
  • Chilosia floccosa Verrall, 1901
  • Syrphus paganus Meigen, 1822

Description

External images For terms see Morphology of Diptera

Wing length 4.75-8·5 mm. Antennae with third segment clear orange and very large:no furrow. Frons flat in male. Thoracic pubescence variable. Female scutellum entirely black. Legs part yellow. Tarsi 1 with pale central segments pale. Part of the pagana species group.[3] [4][5]

Distribution

Present in most of Europe and in the eastern Palearctic realm.[6] East to Siberia.[7] Nearctic [8]

Riverside habitat.Ireland.

Biology

Habitat: coniferous and deciduous woodland, unimproved grassland, along hedgerows in farmland and at roadsides. Scrub and carr.[9] Flowers visited include yellow composites, Ranunculaceae, white umbellifers, Allium ursinum, Anemone nemorosa, Fragaria, Potentilla erecta, Primula, Prunus spinosa and Salix.[10] Flight period is from May to September. In southern Europe, on the wing from mid March. Larvae are known to inhabit semi-liquid, decaying tissue of the roots of plants. There is a rearing record from decaying roots of Cow Parsley.[1]

References
  1. Stubbs, Alan E.; Falk, Steven J. (1983). British Hoverflies: An Illustrated Identification Guide. British Entomological & Natural History Society. pp. 253, xvpp.
  2. Van Veen, M.P. (2004). Hoverflies of Northwest Europe, Identification Keys to the Syrphidae (hardback). Utrecht: KNNV Publishing. p. 254. ISBN 90-5011-199-8.
  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. Nearctic Syrphidae Checklist
  9. Speight, M.C.D. (2011). "Species accounts of European Syrphidae (Diptera)" (PDF). Syrph the Net, the database of European Syrphidae. 65: 285pp.
  10. 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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