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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Cucujiformia » Curculionoidea » Snout and Bark Beetles (Curculionidae) » Lixinae » Cylindrical Weevils (Cleonini) » Cyphocleonus » Knapweed Root Weevil (Cyphocleonus achates)

Species Cyphocleonus achates - Knapweed Root Weevil

broad-nosed weevil - Cyphocleonus achates Knapweed Root Weevils Mating & tracks - Cyphocleonus achates - male - female Coquihalla Weevil - Cyphocleonus achates Bug outside my work on the concrete - Cyphocleonus achates Large weevil type insect - Cyphocleonus achates Knapweed Root Weevils - Cyphocleonus achates - male - female Knapweed Root Weevils - Cyphocleonus achates - female Broad-nosed Weevil - 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)
Works Cited
1.Biological control: A guide to natural enemies in North America
2.Global Biodiversity Information Facility (GBIF)
Contributed by Sean McCann on 19 September, 2008 - 10:31am
Additional contributions by Beatriz Moisset, Mike Quinn, v belov
Last updated 13 November, 2022 - 1:45pm

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