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Chrysops niger

Chrysops niger
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Diptera
Family: Tabanidae
Genus: Chrysops
Species: C. niger
Macquart, 1838
Binomial name
Chrysops niger
Synonyms
  • Chrysops taylori Philip, 1955

The adult black deer fly, Chrysops niger, is a fly of about 8–10.5 millimetres (0.31–0.41 in) length, with a mostly black body with some white hairs, and having wings which are barred with black. They are active from May to September around areas of marsh in much of the United States.

The larvae of the black deer fly feed upon organic matter in damp soil, and are termed hydrobionts in that they inhabit areas of high water content.


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