Ogcodes zonatus

Ogcodes zonatus is a species of insect in the family Acroceridae, the small-headed flies.

Ogcodes zonatus
Ogcodes zonatus. Dorsal view
Side view
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Diptera
Family: Acroceridae
Genus: Ogcodes
Species:
O. zonatus
Binomial name
Ogcodes zonatus
Erichson, 1840

Distribution

This species is present in Europe, Russia, Turkey, Iran, Algeria and Mongolia.[1][2][3]

Description

Ogcodes zonatus can reach a body length of approximately 4–7 millimetres (0.16–0.28 in). These flies are characterized by a globular body, very small and dark heads and by translucent wings. The contiguous eyes occupy in both sexes the entire head. A long ventral proboscis is present only in the feeding imagos. The domed thorax is black, with partly brown hairs, where as the abdomen has black and white transversal bands. The rear pair of legs is curved, thickened at the end, with a brown colour.[3]

This species is very similar to Ogcodes pallipes, that has monocolor femurs, and to Ogcodes gibbosus, that shows different shapes of the bands on tergites, yellowish halteres knob and transparent margin of the calypter.

Biology

Adults are active from June to August.[3] This species is a parasitoid of Salticidae spiders (Heliophanus species).[4][5]

References
  1. Catalogue of life
  2. Fauna Europaea
  3. Przemysław Trojan: Klucze do oznaczania owadów Polski cz. XXVIII Muchówki – Diptera, zeszyt 23 – Cyrtidae. Warszawa: PWN, Polski Związek Entomologiczny, 1956 (in Polish)
  4. Wolfgang Nentwig Ecophysiology of Spiders
  5. Jessica Gillung, Chris Borkent - Death comes on two wings: A review of dipteran natural enemies of arachnids - Article in Journal of Arachnology - April 2017 DOI: 10.1636/JoA-S-16-085.1


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