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Species Plagiodera versicolora - Imported Willow Leaf Beetle

Imported Willow Leaf Beetle - Plagiodera versicolora Imported Willow Leaf Beetle? - Plagiodera versicolora chrysomelid - Plagiodera versicolora Metallic Blue Beetle - Plagiodera versicolora blue leaf beetles - Plagiodera versicolora Plagiodera versicolora - male - female Imported Willow Leaf Beetle - Plagiodera versicolora Beetle - Plagiodera versicolora? - Plagiodera versicolora
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Cucujiformia)
Superfamily Chrysomeloidea (Longhorn and Leaf Beetles)
Family Chrysomelidae (Leaf Beetles)
Subfamily Chrysomelinae
Tribe Chrysomelini
Subtribe Chrysomelina
Genus Plagiodera
Species versicolora (Imported Willow Leaf Beetle)
Other Common Names
Willow Leaf Beetle
Explanation of Names
Plagiodera versicolora (Laicharting 1781)
versicolora (L). 'various colors' (1)
3.5-4.5 mm
Holarctic(2); in our area, east of the Mississippi R., mostly northeastern (map)(3)
Willow (Salix) and poplar (Populus) leaves
Life Cycle
Hibernating adults emerge in the spring. Three generations, usually the third one hibernates. There may even be a fourth generation.

The female lays irregular masses of eggs on leaves. Hatching occurs in about a week.(4)
considered a pest
Produces a mixture of cyclopentanoid monoterpenes for defensive purposes. These are used primarily to deter birds but these are also repugnant to conspecific adults and the larvae of Nymphalis antiopa, another willow leaf beetle.(5)
Print References
Wade M.J. (1994) The biology of the imported willow leaf beetle, Plagiodera versicolora (Laicharting). Novel aspects of the biology of Chrysomelidae, Series Entomologica 50: 541-547 (Abstract)
Internet References
Works Cited
1.Dictionary of Word Roots and Combining Forms
Donald J. Borror. 1960. Mayfield Publishing Company.
2.Borowiec L. (200_-2013) Chrysomelidae: The leaf beetles of Europe and the Mediterranean subregion (checklist and iconography)
3.Global Biodiversity Information Facility (GBIF)
4.Eastern Forest Insects
Whiteford L. Baker. 1972. U.S. Department of Agriculture · Forest Service.
5.Introduction to Ecological Biochemistry
J.B. Harborne. 1993. Academic Press Limited.