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Species Larinus planus - Canada Thistle Bud Weevil

beetle - Larinus planus unknown weevil - Larinus planus Beetle - Larinus planus Unidentified Weevil - Larinus planus Weevil? - Larinus planus Canada Thistle Bud Weevil? - Larinus planus Larinus sp. AB - Larinus planus Thistle Weevil - Larinus planus - female
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 Phyllonomeus)
Species planus (Canada Thistle Bud Weevil)
Synonyms and other taxonomic changes
carlinae Olivier 1807
Explanation of Names
Larinus planus (Fabricius 1792)
5-8 mm
native to Europe, introduced to NA
Around the flowering season of its host plant
hosts: thistles (Cirsium)
Life Cycle
Larvae develop in buds of thistles, especially Canada Thistle
introduced to control invasive thistle in the 1960s (was later found to infect some native thistles)
Internet References