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Family Streblidae - Bat Flies

Representative Images

Streblidae-Trichobius corynorhini Cockerell - Trichobius corynorhini Streblidae #2 from Lesser Long-nosed Bat - Nycterophilia Streblidae #2 from Lesser Long-nosed Bat Trichobius sphaeronotus? Trichobius Trichobius sphaeronotus? Trichobius Trichobius

Classification

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

Explanation of Names

Streblidae Kolenati 1863

Numbers

5 or 8 spp. in 3-4 genera in our area, depending on source(1)(2), ~240 spp. in 33 genera of 5 subfamilies total(3)(4)
Our fauna(2)
Nycterophilia 2 spp., sw. US
Paratrichobius 1 sp., Arizona
Trichobius 5 spp., widespread
Strebla -- Neotropical genus listed in(2) as potential strays into our region

Size

2-3 mm(1); globally, most spp. 1.5-2.5 mm (some neotropical spp. 0.75-5.0 mm)(4)

Range

worldwide; 3 subfamilies restricted to the New World, 2 to the Old World(3)

Habitat

Ectoparasitic on bats (one Old World genus actually has females that imbed themselves and become endoparasites)(2)

Food

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.(4)

Life Cycle

larviparous; larva usually deposited on the host(4)

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.Checklist of World Streblidae (Diptera: Hippoboscoidea)
Dick C.W., Graciolli G. 2013.
4.Medical and Veterinary Entomology
Gary Mullen, Lance Durden. 2002. Academic Press.