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Fall Fund Drive


Species Cyrtepistomus castaneus - Asiatic Oak Weevil

Beetle ID Request [2008] - Cyrtepistomus castaneus weevil - Cyrtepistomus castaneus Weevil 06.22.2010 036 - Cyrtepistomus castaneus Weevil - Cyrtepistomus castaneus Weevil - Cyrtepistomus castaneus Weevil found on American chestnut leaf - Cyrtepistomus castaneus Weevil - Cyrtepistomus castaneus Cyrtepistomus castaneus
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 Curculionoidea (Snout and Bark Beetles)
Family Curculionidae (Snout and Bark Beetles)
Subfamily Entiminae (Broad-nosed Weevils)
Tribe Cyphicerini (Oriental Broad-nosed Weevils)
Subtribe Cyphicerina
Genus Cyrtepistomus
Species castaneus (Asiatic Oak Weevil)
Explanation of Names
Cyrtepistomus castaneus (Roelofs 1873)
castaneus = 'chestnut-colored'
4.1-5.2 mm(1)
native to Asia, adventive in our area, and now widespread in e. NA(1)(2)
hosts: wide range of trees, mainly oaks and Asiatic Chestnut(1)
Life Cycle
may invade homes during the fall in search of hibernating sites(1); comes to lights(2)
introduced from Japan ca. 1933(1)
Works Cited
1.Insects and Arachnids of Canada Series, Part 25. Coleoptera, Curculionidae, Entiminae.
Donald E. Bright, Patrice Bouchard. 2008. 2008. NRC Research Press, Ottawa, Ontario, Canada.
2.Weevils of South Carolina (Coleoptera: Nemonychidae, Attelabidae, Brentidae, Ithyceridae, and Curculionidae).
Janet C. Ciegler. 2010. Clemson University, Clemson, S.C. 276 pp.