Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
 

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National Moth Week was July 19-27, and the Summer 2025 gathering in Louisiana, July 19-27

Photos of insects and people from the 2024 BugGuide gathering in Idaho July 24-27

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Species Caulophilus oryzae - Broad-nosed Grain Weevil

Representative Images

Which weevil is this? - Caulophilus oryzae Which weevil is this? - Caulophilus oryzae Caulophilus oryzae Caulophilus oryzae Weevil - Caulophilus oryzae Weevil - Caulophilus oryzae Weevil - Caulophilus oryzae Weevil - Caulophilus oryzae

Classification

Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Cucujiformia)
Superfamily Curculionoidea
Family Curculionidae (Snout and Bark Beetles)
Subfamily Cossoninae
Tribe Dryotribini
Genus Caulophilus
Species oryzae (Broad-nosed Grain Weevil)

Explanation of Names

Caulophilus oryzae (Gyllenhal 1838)

Range

native to Central America, adventive in our area (so. US) and elsewhere (w. Palaearctic, West Indies)(1)(2)

Remarks

introduced ca. 1892; minor pest of stored grain, nuts, avocado seeds, etc.(3)

Internet References

Fact sheet(2)

Works Cited

1.Manual for identification of quarantine and other important pests of raw materials, stored products, and seed
Mordkovich Ya.B., Sokolov E.A. 1999. Kolos, Moscow, 384 pp.
2.Haseeb M., O'Brien C.W., Kairo M.T.K. (2010) Potentially invasive weevil species from the Caribbean countries to the US...
3.Handbook of urban insects and arachnids: A handbook of urban entomology
Robinson W.H. 2005. Cambridge University Press.
Contributed by v belov on 24 February, 2012 - 2:50pm
Last updated 29 April, 2014 - 7:12pm

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