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Species Larinus obtusus - Knapweed Seedhead Weevil

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 Lixinae
Tribe Lixini
Genus Larinus
No Taxon (subgenus Larinomesius)
Species obtusus (Knapweed Seedhead Weevil)
Other Common Names
Knapweed Seedhead-feeding Weevil, Blunt Knapweed Flower Weevil, Knapweed Flower-feeding Weevil
Explanation of Names
Larinus obtusus Gyllenhal 1836
2 sspp. (Anon. 2002)
5-6.5 mm (Anon. 2002)
native to so. & c. Europe (east to the Caspian) (Anon. 2002), released in ID, MN, MT (established), NE, OR, WA (established)(3)
first released in the US in 1993(3)
Print References
Anon. (2002) Operational field guide to the propagation and establishment of the bioagent Larinus obtusus (Knapweed seedhead weevil). British Columbia Ministry of Forests. 45 pp. (Full text)
Internet References
Fact sheets: Lang (yr?)(3) | Hacker (1999-2009)(4) |