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Species Callosobruchus maculatus - Cowpea Weevil

Tiny beetle - Callosobruchus maculatus Callosobruchus maculatus Callosobruchus maculatus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Cucujiformia)
Superfamily Chrysomeloidea (Long-horned and Leaf Beetles)
Family Chrysomelidae (Leaf Beetles)
Subfamily Bruchinae (Pea and Bean Weevils)
Tribe Bruchini
Subtribe Acanthoscelidina
Genus Callosobruchus
Species maculatus (Cowpea Weevil)
Other Common Names
Spotted Cowpea Bruchid(1)
Explanation of Names
Callosobruchus maculatus (Fabricius 1775)
2.7–3.0 mm(2)
e US to CA (CA-FL-ON-SD)(2); Cosmopolitan, most likely of African origin
Cowpeas and other beans in storage, incl. Cajanus cajan; Cicer arietinum; Glycine max; Lablab purpureus; Lathyrus spp.; Lens culinaris; Phaseolus spp.; Pisum sativum arvense; Vicia spp.; Vigna spp.(2)
one of the best known and most destructive bruchine pest(2)
Works Cited
1.A Dictionary of Entomology
George Gordh, David H. Headrick. 2003. CABI Publishing.
2.Handbook of the Bruchidae of the United States and Canada
Kingsolver J.M. 2004. USDA, Technical Bulletin 1912 (2 vols.).