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Species Neohydronomus affinis - Waterlettuce Weevil

Neohydronomus affinis Neohydronomus affinis Neohydronomus affinis 061112Weevil1 - Neohydronomus affinis
Classification
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 Neohydronomus
Species affinis (Waterlettuce Weevil)
Explanation of Names
Neohydronomus affinis Hustache
Range
native to South America, introduced elsewhere (incl. se. US) to combat water lettuce(1)
Food
water lettuce - Pistia stratiotes (Araceae)
Remarks
used to control its host, an invasive aquatic plant
Print References
Dray, F.A. jr., Center, T.D.,Habeck, D.H.,Thompson, C.R., Cofrancesco,A.F., Balciunas, J.K. 1990. Release and establishment in the southeastern United States of Neohydronomus affinis, an herbivore of water lettuce. Envrionmental Entomology 19, 799-802.
Internet References
fact sheet: TAMU
Works Cited
1.Insects and other arthropods that feed on aquatic and wetland plants
Center T.D., Dray F.A., Jubinsky G.P., Grodowitz M.J. 2002. USDA ARS, Technical Bulletin 1870. 200 pp.