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Species Polydrusus impressifrons - Pale Green Weevil

green weevil - Polydrusus impressifrons Beetle - Polydrusus impressifrons Coleoptera. Curculionidae. Polydrusus. - Polydrusus impressifrons Polydrusus formosus? - Polydrusus impressifrons Polydrusus formosus - Polydrusus impressifrons Pachyrhinus elegans? - Polydrusus impressifrons Morgan Hill Weevil - Polydrusus impressifrons Morgan Hill Weevil - Polydrusus impressifrons
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
Species impressifrons (Pale Green Weevil)
Other Common Names
Leaf Weevil(1)
Explanation of Names
Polydrusus (Eustolus) impressifrons Gyllenhal 1834
native to Europe, adventive in NA (introduced ca. 1913), established in the northeast west to MB(2), as well as in OR
Adults were found mating on small plum trees and feeding on green plums and leaves.(3)
Life Cycle
Eggs are laid around scars and beneath loose bark in roughened areas. The cut ends of pruned branches are especially attractive oviposition sites. Young larvae drop to the ground and feed on the roots of their hosts. Pupation occurs in the soil.(4)
Overwinter as pupa(4)
earliest record in our area: NY 1906(1)
Internet References
Fact sheets: Rosetta (2012)(1)
Works Cited
1.Pacific Northwest Nursery IPM Website
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.Rhynchophora or weevils of North Eastern America
Blatchley and Leng. 1916. Nature Publishing Co., Indianapolis, Indiana. 682 pp.
4.Eastern Forest Insects
Whiteford L. Baker. 1972. U.S. Department of Agriculture · Forest Service.