Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Fall Fund Drive

TaxonomyBrowse
Info
ImagesLinksBooksData

Species Callosobruchus chinensis - Southern Cowpea Weevil

Fungus Beetle ? - Callosobruchus chinensis - male Callosobruchus chinensis - male Callosobruchus chinensis - female Callosobruchus chinensis - female Callosobruchus chinensis - male
Classification
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 chinensis (Southern Cowpea Weevil)
Other Common Names
Oriental Cowpea Bruchid(1), Mung Bean Bruchid, Cowpea Weevil (also applied to C. maculatus), Cowpea Beetle, Adzuki Bean Weevil(2), Adzuki Bean Seed Beetle, Pulse Beetle, Chinese Bean Weevil, Chinese Bruchid
Explanation of Names
Callosobruchus chinensis (Linnaeus 1758)
Size
2.7–3.0 mm(3)
Range
native to temperate Asia(4), adventive elsewhere (now tropicopolitan); in our area, recorded across the US & Canada (north to NS-QC-CA; in Canada, found occasionally in imported beans and does not survive in the wild(3)(5)(6)(7)
Food
hosts: various Fabaceae + Nelumbo (Nelumbonaceae)(3); known to switch to wild legumes in many areas outside its native range(4)
Remarks
widely used as lab model for research(3); may severely damage stored pulses of legumes(4)
Internet References
Fact sheets: anon. (2013)(8) | Schmidt (2011) (wikimedia) | Walker (2011)(9) |
Works Cited
1.A Dictionary of Entomology
George Gordh, David H. Headrick. 2003. CABI Publishing.
2.Thesaurus of agricultural organisms: pests, weeds and diseases
Derwent Publications (compilers/eds.). 1990. London: Chapman and Hall, 2 vols, 2368 pp.
3.Handbook of the Bruchidae of the United States and Canada
Kingsolver J.M. 2004. USDA, Technical Bulletin 1912 (2 vols.).
4.Alien terrestrial arthropods of Europe
Roques A., Kenis M., Lees D., Lopez-Vaamonde C., Rabitsch W., Rasplus J.-Y., Roy D., eds. 2010. BioRisk 4 Special Issue; 2 vols., 1028 pp.
5.Beetles associated with stored products in Canada: An identification guide
Bousquet Y. 1990. Research Branch Agriculture Canada, Publication 1837.
6.The Bean Weevils (Coleoptera: Chrysomelidae: Bruchinae) of Atlantic Canada
Majka C.G., Langor D. 2011. J. Acad. Entomol. Soc. 7: 75-82.
7.Checklist of beetles (Coleoptera) of Canada and Alaska. Second edition
Bousquet Y., Bouchard P., Davies A.E., Sikes D.S. 2013. ZooKeys 360: 1–402.
8.Canadian Grain Commission: insect pests of stored grain
9.PaDIL – High quality images and information tools designed for Biosecurity and Biodiversity