Phoracantha (genus)

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Phoracantha semipunctata (click on image to enlarge it)
Source: Wikimedia Commons

Phoracantha Newman, 1840 - (eucalypt borers)

This genus of long-horned beetles contains around 40 species. They are native to Australia and attack mainly eucalypt trees. Several species have been accidentally introduced into other regions and have become pests. Phoracantha semipunctata and Phoracantha recurva are the main pest species. However, classical biological control programs have reduced their impact.

The larvae feed on the inner bark and outer sapwood of the trees and disrupt the transport of water and nutrients. Younger trees might die as a result and older trees are weakened.

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