Gray meat fly

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Gray meat fly
Gray meat fly (Sarcophaga carnaria)

Gray meat fly ( Sarcophaga carnaria )

Systematics
Class : Insects (Insecta)
Order : Fly (Diptera)
Subordination : Flies (Brachycera)
Family : Meat flies (Sarcophagidae)
Genre : Real meat flies ( Sarcophaga )
Type : Gray meat fly
Scientific name
Sarcophaga carnaria
( Linnaeus , 1758)
Gray flesh flies mating

The gray meat fly ( Sarcophaga carnaria , also: carrion fly ) is a fly from the family of meat flies (Sarcophagidae).

features

The animals have a body length of 8 to 19 millimeters. They are colored light gray, have dark gray longitudinal stripes on the thorax and a checkerboard-like pattern of light and dark gray squares on the abdomen . Seen from the side, the head is square, the forehead is facing forward. That of the males is narrow, that of the females is wide and has two pairs of strong orbital bristles. The red compound eyes are hairless. The cheeks and the back of the head are long white on the underside and black haired on top. The third bristle on the antennae is longer than the second. The wing bristle is hairy long. The sternites of the third and fourth segments are almost completely covered by the tergites .

From the related species of the genus, however, the species can only be distinguished genitally morphologically. The larva has not yet been described.

Occurrence

The flies are found in the Palearctic , north to Northern Norway and the Kola Peninsula, east through southern Siberia to Lake Baikal. They are found preferentially at the edges of the forest, but tend to love light (heliophile) and avoid the interior of the forest.

Way of life

The adults often fly to flowers and can be found on them. The gray flesh fly , like almost all meat flies, is viviparous ( larviparous ), i. H. the female lays newly hatched young larvae, not eggs, on the host. Larvae of the species develop, presumably exclusively, as parasitoids of earthworms. Information from carrion is almost certainly based on incorrect determinations. The species is therefore meaningless for forensic entomology . Like many other meat flies, if there is a high density of fly maggots, it can switch to a predatory diet (from other maggots) (so-called schizophagous diet).

The gray meat fly has several generations per year.

literature

  • Heiko Bellmann : The New Cosmos Insect Guide , Franckh-Kosmos Verlags-GmbH & Co KG, Stuttgart 1999, ISBN 3-440-07682-2
  • Joachim and Hiroko Haupt: Flies and mosquitoes: observation, way of life , Naturbuch-Verlag, Augsburg 1998, ISBN 3-89440-278-4
  • Birgit and Heinz Mehlhorn: Ticks, mites, flies, cockroaches - Schach dem Vergeziefer, Springer Verlag, Berlin, Heidelberg 1996, ISBN 3-540-60935-0

Individual evidence

  1. ↑ a b c Dalibor Povolny & Yuriy Verves (1997): The Flesh-Flies of Central Europe. (Insecta, Diptera, Sarcophagidae). Spixiana, Supplement 24 1-260 full text
  2. ↑ Salima Perez-Moreno, M. Angeles Marcos-Garcia, Santos Rojo (2006): Comparative morphology of early stages of two Mediterranean Sarcophaga Meigen, 1826 (Diptera; Sarcophagidae) and a review of the feeding habits of Palaearctic species. Micron Volume 37, Issue 2: 169-179. doi : 10.1016 / j.micron.2005.07.013
  3. ↑ Anna Ida Eberhardt (1954): Sarcophaga carnaria as an obligatory earthworm parasite. Natural Sciences Vol. 41, Issue 18: 436.
  4. ^ Daniel Cherix, Claude Wyss, Thomas Pape (2012): Occurrences of flesh flies (Diptera: Sarcophagidae) on human cadavers in Switzerland, and their importance as forensic indicators. Forensic Science International 220: 158-163.

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