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Family Scathophagidae - Dung Flies

A colorful fly - Scathophaga stercoraria Dung Fly - Scathophaga furcata Fly id help needed please - Scathophaga stercoraria Golden Dung Fly? - Scathophaga stercoraria - Scathophaga stercoraria Dung Fly - Scathophaga stercoraria Scathophaga sp.? - Scathophaga stercoraria Golden Dung fly? - Scathophaga stercoraria golden fly(?) loves ordure - Scathophaga stercoraria
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Calyptratae)
Superfamily Muscoidea
Family Scathophagidae (Dung Flies)
Synonyms and other taxonomic changes
misspelled 'Scatophagidae' in some sources (a taxon with that name is a family of fish)
used to be treated as a subfamily in the Muscidae or Anthomyiidae(1)
Numbers
ca. 150 spp. in almost 40 genera in our area(2), ~400 spp. in 63 genera worldwide(3)
Genera of our fauna with species numbers per(1) (needs updating)
Acanthocnema (2 spp. widespread, 1 sp. eastern)
Acerocnema (2 spp., widespread)
Allomyella (6 spp., arctic)
Americina (1 sp., eastern)
Brooksiella (1 sp., boreal/western)
Bucephalina (2 spp. eastern, 1 sp. western)
Ceratinostoma (1 sp., Atlantic coast, littoral)
Chaetosa (4 spp., 2 subgenera, widespread)
Cordilura (44 spp. in multiple subgenera, widspread)
Cordylurella (2 spp., eastern)
Cosmetopus (1 sp., boreal)
Delina (1 sp., boreal)
Dromogaster (1 sp., central/western)
Ernoneura (1 sp., arctic)
Gimnomera (4 spp., widespread)
Gonarcticus (2 spp., arctic/boreal)
Gonatherus (1 sp., boreal)
Hexamitocera (1 sp., northwestern)
Huckettia (1 sp., arctic)
Hydromyza (1 sp., widespread)
Megaphthalma (1 sp., widespread)
Megaphthalmoides (1 sp., widespread)
Microprosopa (6 spp., widespread)
Nanna (9 spp., widespread)
Neochirosia (3 spp., widespread)
Neorthacheta (1 sp., eastern)
Norellisoma (1 sp., widespread)
Okeniella (1 sp., low arctic)
Orthacheta (3 spp., widespread)
Parallelomma (1 sp., widespread)
Peratomyia (1 sp., central/western)
Plethochaeta (2 spp., widespread)
Pleurochaetella (1 sp., arctic)
Pogonota (3 spp. boreal, 2 spp. arctic)
Scathophaga (27 spp., widespread)
Spaziphora (1 sp., widespread)
Staegeria (1 sp., boreal)
Synchysa (1 sp., widespread)
Trichopalpus (1 sp., boreal)
Size
3-11 mm(1)
Identification
ventral surface of scutellum bare, costa usually without spinules

Wing venation
Habitat
Some larvae live in dung, others are leaf miners, stem-borers or feed in seed capsules, still others are aquatic predators and predators on other insect larvae in wet situations
Food
Larvae of Delininae are leaf miners in Liliaceae, Orchidaceae, and Commelinaceae. Larvae of Scathophaginae have been reported as phytophagous (especially in especially Scirpus, Juncus, and Pedicularis), predacious, or coprophagous (as in the common Scathophaga species, although some feed in seaweed). Adults seem to be predacious.(1)
See Also
Heleomyzidae (esp. Suilla) may look superficially similar
Works Cited
1.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.
2.American Insects: A Handbook of the Insects of America North of Mexico
Ross H. Arnett. 2000. CRC Press.
3.USDA Diptera Site (now closed)