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Species Cyphocleonus achates - Knapweed Root Weevil

Weevil - Cyphocleonus achates broad-nosed weevil - Cyphocleonus achates Large Weevil, Cleonis piger? - Cyphocleonus achates Weevil - Cyphocleonus achates Large weevil type insect - Cyphocleonus achates Knapweed Root Weevil - Cyphocleonus achates Knapweed Root Weevil - Cyphocleonus achates Curculionidae: Cyphocleonus achates - Cyphocleonus achates
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 Lixinae
Tribe Cleonini (Cylindrical Weevils)
Genus Cyphocleonus
Species achates (Knapweed Root Weevil)
Other Common Names
Root Boring Weevil
Synonyms and other taxonomic changes
Cyphocleonus achates (Fåhraeus)
Orig. Comb: Cleonus achates Fåhraeus 1842
Range
native to Europe, introduced to NA (1987) and established in MN, CO, MT, BC, OR, NV - Map (1)(2), most records in PNW
Season
mostly Jul-Oct (2)
Food
hosts: various knapweeds (Centaurea)(1)
Remarks
introduced to control knapweed
Internet References
Fact sheet by R. Lang(1)