Orthotomicus erosus

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Authors: Ellis, A.M., and A.C. Hodges, University of Florida

Orthotomicus erosus (Wollaston)

2102011
Photo by Louis-Michel Nageleisen, Département de la Santé des Forêts, Bugwood.org

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The European bark beetle or Mediterranean pine engraver beetle Orthotomicus erosus is native to southern Europe, the Middle East, northern Africa, and possibly China (USDA APHIS and Forest Service, 2000). In 2004, it was discovered in California after hundreds of previous interceptions at US ports (Campbell 2005). It primarily attacks pines Pinus but also can occur on Douglas-fir Pseudotsuga menziesii, spruce Picea, fir Abies, and cedar Cedrus species (Campbell 2005). Its reproduction is limited to pine species (Mendel and Halperin 1982). The beetle typically attacks fallen trees and slash, but will also attack stressed living trees, which could be problematic in pine plantations where greatest economic damage could occur (Campbell 2005).

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