Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Upcoming Events

Discussion of 2018 gathering

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Species Larinus planus - Canada Thistle Bud Weevil

Weevil - Larinus planus Canada Thistle Bud Weevil? - Larinus planus Weevil on thistle - Larinus planus Apple-associate - Larinus planus Unknown Weevil - Larinus planus snout weevil - Larinus planus Larinus planus black and yellow weevil - Larinus planus
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
the valid name is apparently L. carlinae Olivier (G├╝ltekin)
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
Species page(1) (in German) +Fact sheet(2)