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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » Orthorrhapha » Small-headed Flies (Acroceridae) » Ocnaea

Genus Ocnaea

small headed fly - Ocnaea - male - female Ocnaea_auripilosa - Ocnaea auripilosa - male Ocnaea_auripilosa - Ocnaea auripilosa - male Ocnaea boharti Schlinger, 1983 - Ocnaea boharti - male Ocnaea sp. (Diptera: Acroceridae) - Ocnaea Acroceridae - Turkey Creek - Ocnaea Ocnaea sp. seemingly out of range - Ocnaea - female Ocnaea sp. seemingly out of range - Ocnaea - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Orthorrhapha)
Family Acroceridae (Small-headed Flies)
Genus Ocnaea
Explanation of Names
Ocnaea Erichson 1840
Identification
Antennae distinctive
Food
Hosts: mygalomorph spiders(1)
Remarks
Adults don't visit flowers and are rarely encountered; strong, fast fliers.
Print References
Aldrich, J. M. (1933). New Diptera, or two-winged flies from America, Asia, and Java with additional notes. Proc. U. S. National Mus., 81(9):1-28 (Full Text...Key to Ocnaea on pg. 3.)
Cole F.R. (1919). The dipterous family Cyrtidae in North America. Trans. Am. Entomol. Soc. 45: 1-79 (Full Text with Ocnaea figures Pl III and Pl IV)
Jenks, G. E. (1940). The spider’s “uninvited” fly brings doom. Natural History (Magazine) 45:157-161. (Full Text)
Sabrosky, C. W. (1948). A further contribution to the classification of the North American spider parasites of the family Acroceratidae (Diptera). Amer. Mid. Nat. 39:382-430.
Schlinger, E. 1. (1961). New species of Acrocera from Arizona and Ocnaea from California, with synonymical notes on the Genus Ocnaea. Ent. News 72:7-12. (Full Text)
Internet References
Wing venation diagram for Ocnaea smithi
Works Cited
1.A further contribution to the classification of the North American spider parasites of the family Acroceratidae (Diptera)
Sabrosky C.W. 1948. Am. Midl. Nat. 39: 382-430.
Contributed by Brad Barnd on 6 December, 2007 - 6:10pm
Additional contributions by Beatriz Moisset, Aaron Schusteff, v belov
Last updated 29 November, 2019 - 1:04am

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