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For Insects, Spiders & Their Kin
For the United States & Canada
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Family Piophilidae - Skipper Flies

Piophlid Action - Prochyliza xanthostoma - female Waltzing Fly - Prochyliza xanthostoma - male Unknown Fly - Mycetaulus Fly 1 - Protopiophila latipes Unknown fly specimen  - Prochyliza xanthostoma Piophila casei from Los Angeles - Piophila casei - female Acalyptratae, from Chilko Lake Area - Mycetaulus nigritellus Small fly - Piophila casei
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Acalyptratae")
Superfamily Tephritoidea
Family Piophilidae (Skipper Flies)
Explanation of Names
Piophilidae Macquart 1835
Also known as "Cheese Skippers" after the Cheese Skipper Piophila casei, a widespread species known to breed in stored cheese and meat.
The common name refers to the larva's ability to make long jumps by grasping its "tail" in its mouth and then suddenly releasing it. They generally breed in rancid fats. (Eric Eaton)
~60 spp. in 14 genera in our area, >80 spp. in 14 genera total(1)
3-6 mm(2)
worldwide; by far most diverse in the temperate and boreal regions of the Northern Hemisphere; many spp. of Piophilinae are Holarctic, and a few are cosmopolitan(2)
In the Mediterranean island of Sardinia, the larvae are intentionally introduced into pecorino cheese to produce the characteristic casu marzu ("rotten cheese" in Sardinian).
Works Cited
1.Order Diptera Linnaeus, 1758. In: Zhang Z.-Q. (ed.) Animal biodiversity: An outline of higher-level classification...
Pape T., Blagoderov V., Mostovski M.B. 2011. Zootaxa 3148: 222–229.
2.Manual of Nearctic Diptera Volume 2
Varies for each chapter; edited by J.F. McAlpine, B.V. Petersen, G.E. Shewell, H.J. Teskey, J.R. Vockeroth, D.M. Wood. 1987. Research Branch Agriculture Canada.