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Species Otiorhynchus ovatus - Strawberry Root Weevil

Root Weevil - Otiorhynchus ovatus Otiorhynchus ovatus Strawberry Root Weevil? - Otiorhynchus ovatus Otiorhynchus ovatus Otiorhynchus ovatus Otiorhynchus? - Otiorhynchus ovatus Curculionidae, Strawberry Root Weevil, frontal - Otiorhynchus ovatus Weevil - Otiorhynchus ovatus
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 Otiorhynchini
Genus Otiorhynchus
Species ovatus (Strawberry Root Weevil)
Explanation of Names
Otiorhynchus (Pendragon) ovatus (Linnaeus 1758)
ovatus = 'egg-shaped'
4-5.5 mm(1)
the longitudinal wrinkles on the pronotum are diagnostic; some individuals have a conspicuous pointed spur on the anterior margin of the forefemur
native to Eurasia, adventive in NA and now exceedingly common throughout the continent(1)
herbaceous plants (incl. strawberries) and tree seedlings in nurseries; larvae live in the soil, and feed continuously on the roots of seedlings; adults feed at night on leaves and berries
Life Cycle
one generation per year; overwinters as a larva or adult in soil or leaf litter; eggs are laid on the soil from May to September
earliest record in our area: 1852(2)
See Also
O. rugosostriatus is larger (7-9 mm), has blackish legs, and a random pattern of bumps on the pronotum
Internet References
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.Immigrant phytophagous insects on woody plants in the United States and Canada: an annotated list
Mattson W.J., Niemela P., Millers I., Inguanzo Y. 1994. General Technical Report NC-169. St. Paul, MN: USDA Forest Service, North Central Forest Experiment Station.
3.University of Alberta Entomology Collection