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For Insects, Spiders & Their Kin
For the United States & Canada
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Fall Fund Drive


Subfamily Bruchinae - Pea and Bean Weevils

bean weevil (Bruchinae) - Algarobius prosopis Pachymerus nucleorum (Fabricius) - Pachymerus nucleorum Acanthoscelides flavescens (Fahraeus) - Acanthoscelides flavescens Beetles under a palm leaf - Caryobruchus gleditsiae Tiny Black Beetles - Bruchidius villosus Acanthoscelides macrophthalmus (Schaeffer) - Acanthoscelides macrophthalmus 822W04 - Algarobius Beetles on Crocanthemum flower - Acanthoscelides
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)
Synonyms and other taxonomic changes
formerly (and sometimes still) treated as a family of its own, Bruchidae(1); see classification below
Explanation of Names
Bruchinae Latreille 1802
ca. 150 spp. in 24 genera in our area, 760 spp. in the New World(1), ~1,700 worldwide(2)
pygidium often has important diagnostic characters so should be included in photos
worldwide and throughout NA(3)
Life Cycle
Larvae feed inside seeds and pupate inside them. Adults generally oviposit on fully developed seeds, but some do it on the flowers or young fruits.
Works Cited
1.Handbook of the Bruchidae of the United States and Canada
Kingsolver J.M. 2004. USDA, Technical Bulletin 1912 (2 vols.).
2.Chrysomelid males with enlarged mandibles: three new species and a review of occurrence in the family (Coleoptera:Chrysomelidae)
Reid C.A.M., Beatson M. 2013. Zootaxa 3619: 79–100.
3.American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea
Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.