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Genus Sitona

Clover Weevil - Sitona hispidulus Weevil - Sitona lepidus Small Beetle - Sitona hispidulus Sweetclover Weevil? - Sitona cylindricollis   - Sitona lineellus Sitona? - Sitona californius Beetle 4-5mm - Sitona lineellus Pea Leaf Weevil? - Sitona lineatus
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 Entiminae (Broad-nosed Weevils)
Tribe Sitonini
Genus Sitona
Synonyms and other taxonomic changes
our fauna revised in(1)
Explanation of Names
Sitona Germar 1817
11 spp. in our area (of which about a half are non-native), 8 in Canada(2); ca. 100 spp. total(3)
3-7 mm (NA spp.)
presence of flat recumbent scales on the mandibles is diagnostic
holarctic, mostly Palaearctic(3)
Host plants: Fabaceae; larvae are obligate feeders on the nitrifying root nodules(2)
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. Ent. 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.