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For the United States & Canada
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Genus Polydrusus

Weevils in copulo - Polydrusus formosus - male - female Polydrusus - Polydrusus formosus Entiminae - Broad-nosed Weevils - Polydrusus formosus Entiminae, Broad-nosed Weevil - Polydrusus formosus Beetle - Polydrusus impressifrons insect - Polydrusus formosus Green Immigrant Leaf Weevil - Polydrusus formosus Polydrusus americanus
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 Polydrusini
Genus Polydrusus
Explanation of Names
Polydrusus Germar 1817
7 spp. (incl. 3 adventive) in our area, 4 spp. reach Canada(1), ~220 spp. in 23 subgenera total(2)
5‒8 mm
see (1)
in our area, ne. US & adjacent Canada, and sw. US (AZ‒NM)(3)
Works Cited
1.The Polydrusus weevils (Coleoptera: Curculionidae) of the United States of America and Canada: identification...
Lisak SC, Shanovich HN, Lindsey ARI, Aukema BH. 2024. The Canadian Entomologist. 156: e10.
2.Catalogue of Life
3.American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea
Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.