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Species Plagiodera versicolora - Imported Willow Leaf Beetle

Blue beetles on willow - Plagiodera versicolora Leaf beetle - Plagiodera versicolora - male Leaf larva - Plagiodera versicolora Imported Willow Leaf Beetle - Plagiodera versicolora Leaf Beetle - Plagiodera versicolora Plagiodera versicolora imported willow leaf beetle - Plagiodera versicolora Plagiodera versicolora
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Cucujiformia)
Superfamily Chrysomeloidea (Long-horned 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)
4 or 5 mm long.
e NA except Deep South (IA-SC-NB-MB) (1), Holarctic (2)
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.
Introduced from Europe (1915); regarded as a pest(3)
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
Fact sheets: Ostry et al. (1989)