Xanthandrus comtus

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Xanthandrus comtus
Scientific classification
Kingdom:
Phylum:
Class:
Order:
Family:
Genus:
Species:
X. comtus
Binomial name
Xanthandrus comtus
(Harris, 1780)[1]
Synonyms

Xanthandrus comtus is a species of hoverfly. It is found in the Palearctic.[2][3]

Description[edit]

External images For terms see Morphology of Diptera
Wing length Wide abdomen with yellow marks. Thoracic dorsum polished black. Male with round marks on tergite 2 and confluent marks on tergites 3 and 4 (as a deeply incised band). Female with oval marks on tergite 2 and square marks on tergites 3 and 4. legs mainly orange. Antenne orange. Long black pterostigma. The male genitalia and larvae are figured by Dusek and Laska (1967).[4] See references for determination.[5][6][7][8]

Habitat.Portugal

Distribution[edit]

Palearctic Southern Norway South to Iberia. Ireland East through Central Europe and Southern Europe to Russia and the Caucasus and on to the Russian Far East and the Pacific coast; Japan; Formosa.[9][10]

Biology[edit]

Habitat: Fagus, Quercus and Pinus forest and scrub.[11] Flowers visited include umbellifers, Arbutus unedo, Filipendula, Juncus, Leontodon, Lonicera, Mentha aquatica, Rosa, Rubus, Succisa.[12]

The larvae predate aphids and the caterpillars of various small moths including Tortricidae both on trees and low-growing plants. They are also predators of the caterpillars of the pine processionary moths Thaumetopoea pinivora and Thaumetopoea pityocampa.

References[edit]

  1. ^ a b Harris, M. (1780). An exposition of English insects. Vol. Decads III, IV. London: Robson Co. pp. 73–99, 100–138, pls. 21-30, 31–40. Retrieved 16 July 2021.
  2. ^ 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.
  3. ^ 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.
  4. ^ Dusek, J. & Laska, P. (1967) Versuch zum aufbau eines Naturlichen Systems mitteleuropaischer Arten der Unterfamilie Syrphinae (Diptera). Acta sc.nat.Brno, 1: 349-390.
  5. ^ Van Veen, M. (2004) Hoverflies of Northwest Europe: identification keys to the Syrphidae. 256pp. KNNV Publishing, Utrecht.addendum
  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. (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.
  8. ^ Coe, R.L. (1953) Diptera: Syrphidae. Handbks.ident.Br.insects, 10(1): 1-98. R.ent.Soc.London. pdf
  9. ^ Fauna Europaea
  10. ^ Peck, L.V. (1988) Syrphidae. In: Soos, A. & Papp, L. (eds.) Catalogue of Palaearctic Diptera, 8: 11-230. Akad.Kiado, Budapest.
  11. ^ Speight, M.C.D. (2011). "Species accounts of European Syrphidae (Diptera)" (PDF). Syrph the Net, the database of European Syrphidae. 65: 285pp.
  12. ^ de Buck, N. (1990) Bloembezoek en bestuivingsecologie van Zweefvliegen (Diptera, Syrphidae) in het bijzonder voor België. Doc.Trav. IRSNB, no.60, 1-167.