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

Species Lissorhoptrus oryzophilus - Rice Water Weevil

Lissorhoptrus - Lissorhoptrus oryzophilus - female weevil - Lissorhoptrus oryzophilus - female Weevil #25 - Lissorhoptrus oryzophilus Beetle - Lissorhoptrus oryzophilus tiny weevil - Lissorhoptrus oryzophilus Louisiana Rice Weevil - Lissorhoptrus oryzophilus Snout 061517-1 - Lissorhoptrus oryzophilus Snout 061517-1 - Lissorhoptrus oryzophilus
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 Brachyceridae
Subfamily Erirhininae (Marsh Weevils)
Subtribe Stenopelmina
Genus Lissorhoptrus (Rice Water Weevils)
Species oryzophilus (Rice Water Weevil)
Synonyms and other taxonomic changes
simplex auct. nec Say
Explanation of Names
Lissorhoptrus oryzophilus Kuschel 1952
2.0-3.7 mm(1)
e US, CA; Mexico, Cuba; Eurasia(1)
hosts: many Poaceae and Cyperaceae, incl. rice(1)
Life Cycle
adults are strong swimmers(1)
Native to North America, has spread to Asia and Europe where it is a pest of cultivated rice(1)
See Also
very similar to (and often misidentified as) L. simplex (Say)(1)
Works Cited
1.Revision of the “Rice Water Weevil” Genus Lissorhoptrus Leconte (Coleoptera: Curculionidae) in North America North of Mexico
Charles W. O'Brien and Muhammad Haseeb. 2014. The Coleopterists Bulletin 68(2): 163-186.