Megacyllene (genus)

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larva of Megacyllene robiniae (click on image to enlarge it)
Author(s): Lacy L. Hyche, Auburn University
Source: IPM Images

Megacyllene Casey, 1912

This genus of long-horned beetles contains around 50 species which are found in the Americas. They breed in the trunk and branches of living or freshly cut trees. Several species are regarded as forest pests. For example, the locust borer (Megacyllene robiniae) attacks the trunks of Robinia trees. The development time can extend over several years. Adults are elongated, around 15-25 mm long and dark brown to black, typically with narrow yellow or white cross-bands.

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