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Genus Smicronyx

colorful weevil - Smicronyx sculpticollis Smicronyx sordidus LeConte - Smicronyx sordidus Weevil - Smicronyx imbricatus Weevil --? - Smicronyx Mating Weevils on Silphium integrifolium - Smicronyx - male - female Smicronyx Weevil #1, lateral - Smicronyx weevil #2, lateral - Smicronyx
Classification
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 Curculioninae
Tribe Smicronychini
Genus Smicronyx
Synonyms and other taxonomic changes
reviewed in Anderson (1962)(1)
Explanation of Names
Smicronyx Schönherr 1843
Numbers
70 spp. in our area(2)
Size
1.4-4.0 mm(3)
Identification
Difficult genus with many of the species sexually dimorphic. To accurately determine species it is advisable to have specimens of both sexes, and in good condition. Scale pattern will vary within a species but is normally consistent enough to be a useful character.(4)
Range
holarctic, Afrotropical, Australian; most of NA to Nicaragua(5)(2)
Food
hosts: mostly Asteraceae and Convolvulaceae(2)
Life Cycle
Larvae are in seeds or may cause galls(2)
Works Cited
1.The weevil genus Smicronyx in America north of Mexico
Anderson D.M. 1962. Proc. U.S. Nat. Mus. 113: 185–372.
2.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.
3.Weevils of South Carolina (Coleoptera: Nemonychidae, Attelabidae, Brentidae, Ithyceridae, and Curculionidae).
Janet C. Ciegler. 2010. Clemson University, Clemson, S.C. 276 pp.
4.Weevils of Kansas - A Manual for Identification
Glenn Arthur Salsbury. 2000. Private/Self.
5.A world catalogue of families and genera of Curculionoidea (Insecta: Coleoptera)
Alonso-Zarazaga M.A., Lyal C.H.C. 1999. Entomopraxis, Barcelona. 315 pp.