Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Beetles (Coleoptera)
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Polyphaga
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Series Cucujiformia
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Curculionoidea
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Snout and Bark Beetles (Curculionidae)
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Lixinae
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Lixini
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Larinus
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subgenus Larinomesius (Larinus subgenus Larinomesius)
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Knapweed Seedhead Weevil (Larinus obtusus)
Species
Larinus obtusus
- Knapweed Seedhead Weevil
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
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
Numbers
2 sspp. (Anon. 2002)
Size
5-6.5 mm (Anon. 2002)
Identification
adult habitus
(
1
)
|
live photos
|
rostrum profile
(
2
)
Range
native to so. & c. Europe (east to the Caspian) (Anon. 2002), released in ID, MN, MT (established), NE, OR, WA (established)
(
3
)
Remarks
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
)
|
Works Cited
1.
Borowiec L. (2007-) Iconographia Coleopterorum Poloniae
2.
Lompe A. (2002-) Die Käfer Europas: Ein Bestimmungswerk im Internet
3.
Biological control: A guide to natural enemies in North America
4.
Breitenfeldt T., ed. (1999-) Montana war on weeds
Contributed by
v belov
on 10 August, 2012 - 11:36am
Last updated 24 April, 2013 - 12:55pm