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

Genus Trichosirocalus

Weevil - Trichosirocalus horridus Weevil 2 - Trichosirocalus horridus Weevil 2 - Trichosirocalus horridus Weevil 2 - Trichosirocalus horridus what species´╝č - Trichosirocalus horridus Thistle crown weevil - Trichosirocalus horridus Spiky Snout Beetle - Trichosirocalus horridus Trichosirocalus horridus thistle crown weevil? - Trichosirocalus horridus
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 Ceutorhynchinae (Minute Seed Weevils)
Tribe Ceutorhynchini
Genus Trichosirocalus
Explanation of Names
Trichosirocalus Colonnelli 1979
A single (adventive) species in our area(1), 17 spp. total(2)
native to w. Palaearctic(2), imported in NA (VA)(1)
on Asteraceae and Plantaginaceae(2)
introduced to control thistles(1)
Works Cited
1.American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea
Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.
2.Catalogue of Ceutorhynchinae of the world, with a key to genera (Insecta Coleoptera Curculionidae)
Colonnelli E. 2004. Argania Editio, Barcelona. 124 pp.