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Species Sitona hispidulus - Clover Weevil

Broad-nosed Weevil? - Sitona hispidulus clover weevil - Sitona hispidulus BG2368 E8432 - Sitona hispidulus Small Beetle - Sitona hispidulus Broad-nosed Weevil - Sitona hispidulus Sitona hispidulus Small Bug 112214 - Sitona hispidulus   - Sitona hispidulus
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
Species hispidulus (Clover Weevil)
Other Common Names
Clover Root Curculio
Explanation of Names
Sitona hispidulus (Fabricius 1776)
3.2-4.0 mm
the only Sitona species with erect hairs on each elytral interstria; eyes flatter than in similar species(1)
Holarctic, adventive across US & s. CAN - Map (1)(2)(3), native to, and widespread throughout, Eurasia
fields, pastures, meadows
adults are active in spring and again in fall after the first frost, which causes them to emerge from their summer aestivation (resting period)
on clover, alfalfa & other forage legumes(1)
Life Cycle
eggs are laid on soil in spring; larvae hatch and feed underground; pupation and adult emergence takes place in late summer; overwinters as adults in soil or leaf litter
earliest record in our area: NJ ca. 1875(2)
Internet References
Fact sheet - PSU, Calvin et al. 2002
Works Cited
1.Insects and Arachnids of Canada Series, Part 25. Coleoptera, Curculionidae, Entiminae.
Donald E. Bright, Patrice Bouchard. 2008. 2008. NRC Research Press, Ottawa, Ontario, Canada.
2.The weevils (Coleoptera: Curculionoidea) of the Maritime Provinces of Canada, II: New records from Nova Scotia...
C.G. Majka, R.S. Anderson, & D.B. McCorquodale. 2007. The Canadian Entomologist 139: 397–442.
3.Global Biodiversity Information Facility (GBIF)