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Species Sapromyza brachysoma

fly - Sapromyza brachysoma Stripey-eyed fly - Sapromyza brachysoma fly - Sapromyza brachysoma fly - Sapromyza brachysoma Lauxaniid - Sapromyza brachysoma small fly - Sapromyza brachysoma Sapromyza brachysoma another small fly - Sapromyza brachysoma
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Acalyptratae")
Superfamily Lauxanioidea
Family Lauxaniidae
Genus Sapromyza
Species brachysoma (Sapromyza brachysoma)
Synonyms and other taxonomic changes
Sapromyza brachysoma Coquillett, 1898

Minettia brachystoma, error (in Melander 1913)
Sapromyza fusca Shewell, 1938
hemingfordensis Shewell, 1946 (nomen nudum)
3.5 to 4 mm (1)
Alaska & YT east to New Brunswick, south to BC and Virginia. (2)

Type specimens were from White Mountains, New Hampshire.
Based on BugGuide submissions, it appears to be active in the late fall thru spring. (3)
Works Cited
1.The Lauxaniidae (Diptera) of southern Quebec and adjacent regions
Shewell, G.F. 1938. The Canadian Entomologist 70: 102-110, 111-118, 133-142.
2.A Catalog of the Diptera of America North of Mexico
Alan Stone, et al. 1965. United States Department of Agriculture.
3.Sapromyza brachysoma