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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Cucujiformia » Curculionoidea » Snout and Bark Beetles (Curculionidae) » Curculioninae » Leguminous Seed Weevils (Tychiini) » Tychiina » Tychius

Genus Tychius

Classification · Explanation of Names · Numbers · Identification · Food · Works Cited
Weevil (2) - Tychius picirostris Weevil 10.05.27 - Tychius cuprifer Anthonomus perhaps? - Tychius meliloti Tychius Unknown Weevil - Tychius weevil on lupine - Tychius lineellus Pennsylvania Weevil for ID - Tychius meliloti Tychius sordidus from North East Texas - Tychius sordidus
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 Curculioninae
Tribe Tychiini (Leguminous Seed Weevils)
Subtribe Tychiina
Genus Tychius
Explanation of Names
Tychius Germar 1817
Numbers
16 spp. in our area, incl. 4 adventive(1)
Identification
(2) - key North American species, but doesn't include some introduced species
(3) - new synomymies and distribution
(4) - key to 4 introduced species and modification of Clark's (2) key to include them
Food
on various Fabaceae; larvae feed on reproductive parts(1)(4)
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.A taxonomic revision of the weevil genus Tychius Germar in America North of Mexico
Clark, W.E. 1971. Brigham Young University Science Bulletin Biological Series Volume XIII, #3.
3.North American Tychius: New synonymy and observations on phylogeny and zoogeography (Coleoptera: Curculionidae)
Clark, W.E. 1977. Entomologica Scandinavica, 8: 287- 300.
4.Tychius meliloti Stephens new to Canada with a brief review of the species of Tychius Germar introduced into North America...
R.S. Anderson and A.T. Howden. 1994. The Canadian Entomologist 126(6): 1363-1368.
Contributed by Boris Büche on 26 June, 2007 - 2:01am
Additional contributions by ghanley1, Bbarnd, v belov
Last updated 8 April, 2022 - 6:03pm

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