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Genus Sepsisoma

Sepsisoma flavescens - female Richardiidae, lateral - Sepsisoma - male Richardiidae, dorsal - Sepsisoma - male Little Red Fly - Sepsisoma flavescens - female Mesh web spider with fly prey - Sepsisoma Richardiidae? - Sepsisoma Odontomera ferruginea? - Sepsisoma Odontomera ferruginea? - Sepsisoma
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Acalyptratae")
Superfamily Tephritoidea
Family Richardiidae
Genus Sepsisoma
3 spp. in our area, 13 described spp. total(1)
At least one pair of femora with stout ventral setae or spines, Sc interrupted near costal break, head not longer than high, all femora of similar size, occiput more swollen below neck than above neck (Steyskal, 1987) (1)
S. flavescens e. NA; S. minimum and S. sabroskyi Midwest(1)
Most species from the USA are reddish. Most tropical species are black, and at least one black species is found as far north as Arizona.
Print References
Steyskal, George C. 1961. Two New Species of Sepsisoma from Kansas (Diptera: Richardiidae). Journal of the Kansas Entomological Society 34(2):83-85 (JSTOR)
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.