Anasimyia transfuga

Anasimyia transfuga is a Palearctic species of hoverfly.[1][2]

Anasimyia transfuga
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Diptera
Family: Syrphidae
Genus: Anasimyia
Species:
A. transfuga
Binomial name
Anasimyia transfuga

Description

External images For terms see Morphology of Diptera
The wing length 6-8·25 mm. Dark ground colour with steeply inclined hooked markings (the inner limb is strongly oblique). Very similar to A. contracta, but transfuga has the lateral margins of tergite 2 less concave than in contracta. There are also differences in the grey dusting of the sternites (sternites 2 and 3 are completely grey dusted in the male of transfuga).[3]

Keys and accounts

  • Coe R.L. (1953) Syrphidae[4]
  • Van Veen, M. (2004) Hoverflies of Northwest Europe[5]
  • Van der Goot, V.S. (1981) De zweefvliegen van Noordwest - Europa en Europees Rusland, in het bijzonder van de Benelux[6]
  • Bei-Bienko, G.Y. & Steyskal, G.C. (1988) Keys to USSR insects. Diptera[7]

Habits

A wetland species found on tall emergent pond side vegetation, margins of mesotrophic pools and lakes with Scirpus or Sparganium. Flowers visited include Caltha palustris, Ranunculus repens, white umbellifers, Sonchus arvensis, Sorbus aucuparia and Taraxacum. Flies early May to July. The larva is aquatic and microphagous in rotting plant debris.[8] Flies April to October.[9]

Distribution

A Palearctic species with a wide distribution in Europe[10] East to Siberia.[11]

References
  1. Stubbs, Alan E.; Falk, Steven J. (1983). British Hoverflies: An Illustrated Identification Guide (2nd ed.). London: British Entomological and Natural History Society. pp. 253, xvpp. ISBN 1-899935-03-7.
  2. Ball, S.G.; Morris, R.K.A. (2000). Provisional atlas of British hoverflies (Diptera, Syrphidae). Monks Wood, UK: Biological Record Centre. pp. 167 pages. ISBN 1-870393-54-6.
  3. Speight, M. C. D., 1981. The Irish Anasimyia species including a key and first records of A. contracta (Diptera: Syrphidae). Ir. Nat. J., 20: 229- 234.
  4. 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
  5. Van Veen, M. (2004) Hoverflies of Northwest Europe: identification keys to the Syrphidae. 256pp. KNNV Publishing, Utrecht.
  6. 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.
  7. 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.
  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.
  10. Fauna Europaea
  11. Peck, L.V. (1988) Syrphidae. In: Soos, A. & Papp, L. (eds.) Catalogue of Palaearctic Diptera, 8: 11-230. Akad.Kiado, Budapest.
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