Phratora (genus)

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Phratora laticollis larvae on Populus tremula (click on image to enlarge it)
Author(s): Petr Kapitola, State Phytosanitary Administration
Source: IPM Images

Phratora Chevrolat, 1837 - (willow beetles)

This genus of leaf beetles contains around 20 species that are found in northern and temperate regions and feed on willows or other trees from the families Salicaceae and Betulaceae. Several species are important forest pests like the blue willow beetle, Phratora vulgatissima, or the brassy willow beetle, Phratora vitellinae. They can cause serious outbreaks.

The adults are typically 3-5 mm long, usually with a metallic colouration. The genus is characterized by a number of features like the rows of dot-like depressions on the elytra or the morphology of the tibia and tarsi.


Currently, the following species have been entered into the system: