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Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

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Species Plagiodera versicolora - Imported Willow Leaf Beetle

Imported Willow Leaf Beetle - Plagiodera versicolora Shiny, dark green beetle - Plagiodera versicolora imported willow leaf beetle - Plagiodera versicolora Plagiodera versicolora On cottonwood - Plagiodera versicolora Beetle - Plagiodera versicolora imported willow leaf beetle larvae - Plagiodera versicolora mating imported willow leaf beetles - Plagiodera versicolora - male - female
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)