Eristalis pertinax

Eristalis pertinax is a European hoverfly. Like Eristalis tenax, the larva of E. pertinax is a rat-tailed maggot and lives in drainage ditches, pools around manure piles, sewage, and similar places containing water with high organic load and low oxygen concentration.

Eristalis pertinax
male
female
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Diptera
Family:
Syrphidae
Genus:
Eristalis
Subgenus:
Eoseristalis
Species:
E. pertinax
Binomial name
Eristalis pertinax
(Scopoli, 1763)
Synonyms

Description

External images For terms see Morphology of Diptera
Wing length 8.25–12.75 mm. Antennomere 3 brown-black. Arista plumose to tip. Tarsi 1 and 2 entirely yellow. Wing with diffusely bordered darkened median band and pterostigma 4 times as long as wide. Dimorphic (males with triangular abdomen, females with squarish abdomen).[2][3][4][5] The male genitalia are figured by Hippa et al. (2001).[6] The larva is figured by Hartley (1961).[7]

Distribution

Palaearctic Fennoscandia South to Iberia and the Mediterranean basin. Ireland East through Europe into Turkey and European Russia East to the Urals.[8][9]

Biology

The habitat is wetland, forest, alluvial forest, fen, farmland, suburban gardens and parks.[10] The flight period is February to November.

  • Females of a European hoverfly ovipositing at a small pool in a forest near Marburg, Hesse, Germany

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. (2004) Hoverflies of Northwest Europe: identification keys to the Syrphidae. 256pp. KNNV Publishing, Utrecht.addendum
  3. Van der Goot,V.S. (1981) De zweefvliegen van Noordwest - Europa en Europees Rusland, in het bijzonder van de Benelux. Koninklijke Nederlandse Natuurhistorische Vereniging, 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. Handbooks for Identification of British Insects, 10(1): 1–98. Royal Entomological Society of London. pdf
  6. Hippa, H., Nielsen, T.R. & van Steenis, J. (2001) "The west Palaearctic species of the genus Eristalis Latreille (Diptera, Surphidae)". Norwegian Journal of Entomology, 48: 289–327.
  7. Hartley, J.C. (1961) "A taxonomic account of the larvae of some British Syrphidae". Proceedings of the Zoological Society of London, 136: 505–573.
  8. Fauna Europaea
  9. Peck, L.V. (1988) "Syrphidae". In: Soos, A. & Papp, L. (eds.) Catalogue of Palaearctic Diptera, 8: 11–230. Akad.Kiado, Budapest.
  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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