Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Beetles (Coleoptera)
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Polyphaga
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Series Cucujiformia
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Curculionoidea
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Snout and Bark Beetles (Curculionidae)
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Broad-nosed Weevils (Entiminae)
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Sitonini
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Sitona
Genus
Sitona
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
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. 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.
Contributed by
tom murray
on 2 July, 2005 - 5:49pm
Additional contributions by
Boris Bueche
,
v belov
Last updated 21 December, 2013 - 7:39pm