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TaxonomyBrowse
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Superfamily Muscoidea

Fly Fly on Granite Rise Larvae Fly - female Red Faced Fly Scathophaga furcata ? Fly - Caricea tinctinervis - male Scathophagidae?
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Calyptratae)
Superfamily Muscoidea
Numbers
Well over 1,000 species in North America
Identification
Typical adult Muscoidea are yellow, gray, brown, or black, with 1-2 presutural and 3-4 postsutural dorsocentral bristles, wing vein Sc separate from R1 and ending in wing margin, wing vein M nearly straight or gradually curved at tip, abdomen with short bristles, and some to many bristles on tibiae. There are exceptions, including the common house fly which has a sharp bend in vein M. Most larvae are typical maggots. Fanniidae are flattened with long spines.
Food
Larvae may be predatory, saprophagous, coprophagous, or occasionally leaf miners.
Remarks
As treated here, this taxon is artificial: the monophyletic Fanniidae are sister group to the rest of the muscoids plus the Oestroidea. The Muscidae are monophyletic and sister to the Scathophagidae+Anthomyiidae+Oestroidea clade.(1)
Works Cited
1.Molecular phylogeny of the Calyptratae (Diptera: Cyclorrhapha)...
S.N. Kutty, T. Pape, B.M. Wiegmann, R. Meier. 2010. Systematic Entomology 35: 614–635.