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Family Streblidae - Bat Flies

Streblidae-Trichobius corynorhini Cockerell - Trichobius corynorhini Streblidae-Trichobius corynorhini Cockerell - Trichobius corynorhini Trichobius sphaeronotus (Diptera: Streblidae) Trichobius sphaeronotus (Diptera: Streblidae) Streblidae #2 from Lesser Long-nosed Bat - Nycterophilia Streblidae #2 from Lesser Long-nosed Bat
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Calyptratae)
Superfamily Hippoboscoidea
Family Streblidae (Bat Flies)
Other Common Names
Streblid Bat Flies
Synonyms and other taxonomic changes
often treated as a subfamily of Hippoboscidae
5 or 8 spp. in 3-4 genera in our area, depending on source(1)(2), ~260 spp. in 12 genera worldwide(3)
Our fauna(2)
Nycterophilia 2 spp., sw. US
Paratrichobius 1 species, Arizona
Trichobius 5 spp., widespread

Strebla -- Neotropical genus listed in(2) as potential strays into our region
2-3 mm(1); globally, most spp. 1.5-2.5 mm (some neotropical spp. 0.75-5.0 mm)(3)
Ectoparasitic on bats (one Old World genus actually has females that imbed themselves and become endoparasites)(2)
Bat blood; the New World streblids tend to be host-specific and adapted to particular areas of host body (wing membrane, head, trunk...); most host species have at least 2 associated streblid spp.(3)
Life Cycle
larviparous; larva usually deposited on the host(3)
Works Cited
1.American Insects: A Handbook of the Insects of America North of Mexico
Ross H. Arnett. 2000. CRC Press.
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.
3.Medical and Veterinary Entomology
Gary Mullen, Lance Durden. 2002. Academic Press.