Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Fall Fund Drive

TaxonomyBrowse
Info
ImagesLinksBooksData

Genus Sitona

weevil - Sitona lineellus Weevil Beetle - Sitona cylindricollis Weevil - Sitona hispidulus Weevil - Sitona cylindricollis Sitona hispidulus Clover Weevil? - Sitona hispidulus   - Sitona lineellus   - Sitona
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 Entiminae (Broad-nosed Weevils)
Tribe Sitonini
Genus Sitona
Synonyms and other taxonomic changes
our fauna revised in(1)
Explanation of Names
Sitona Germar 1817
Numbers
11 spp. in our area (of which about a half are non-native), 8 in Canada(2); ca. 100 spp. total(3)
Size
3-7 mm (NA spp.)
Identification
presence of flat recumbent scales on the mandibles is diagnostic
Range
holarctic, mostly Palaearctic(3)
Food
Host plants: Fabaceae; larvae are obligate feeders on the nitrifying root nodules(2)
Remarks
several spp. are economic pests of clover, alfalfa, etc.(2)
Works Cited
1.Revision of the genus Sitona (Coleoptera: Curculionidae) of North America
Bright D.E. 1994. Ann. Entomol. Soc. Am. 87: 277-306.
2.Insects and Arachnids of Canada Series, Part 25. Coleoptera, Curculionidae, Entiminae.
Donald E. Bright, Patrice Bouchard. 2008. 2008. NRC Research Press, Ottawa, Ontario, Canada.
3.Systematics of Sitonini (Coleoptera: Curculionidae: Entiminae), with a hypothesis on the evolution of feeding habits
Velázquez de Castro A.J., Alonso-Zarazaga M.Á., Outerelo R. 2007. Systematic Entomology 32: 312–331.