| Acanthoscelides obtectus | |
|---|---|
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Coleoptera |
| Family: | Chrysomelidae |
| Genus: | Acanthoscelides |
| Species: | A. obtectus
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| Binomial name | |
| Acanthoscelides obtectus (Say, 1831)
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| Synonyms | |
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Acanthoscelides obtectus, the bean weevil, is a species of bruchid beetle. The species was described in 1831 by Thomas Say.[1]
Bean weevils feed primarily on the seeds of common beans but also feed on the seeds of peas, vetches, and many other leguminous plants. They have also been reported to develop on the seeds of a few non-legumes, such as maize and buckwheat.[2] Bean weevils are pests of legume seeds both in field and in storage. Only the larvae feed on seeds: the adults feed on pollen.
Originating in mountainous regions of northern South America, its has been inadvertently introduced to Central America, then around the world in grain shipments.[3]
- ^ Say, Thomas (1831). Descriptions of New Species of Curculionites of North America, with Observations on Some of the Species Already Known (PDF). New Harmony, Indiana: School Press. p. 1.
- ^ Larson, O.A.; Fisher, C.K. (1938). "The bean weevil and the southern cowpea weevil in California". United States Department of Agriculture. Technical Bulletin No. 593: 1–71.
- ^ Alvarez, N.; McKey, D.; Hossaert-Mckey, M.; Born, C.; Mercier, L.; Benrey, B. (2005). "Ancient and recent evolutionary history of the bruchid beetle, Acanthoscelides obtectus Say, a cosmopolitan pest of beans". Molecular Ecology. 14 (4): 1015–1024. doi:10.1111/j.1365-294X.2005.02470.x. PMID 15773933. S2CID 24563508.