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Integrated Pest Management · Agriculture and Natural Resources

University of California

Tree-boring beetles

Ips bark beetle

Ips bark beetle.

Flatheaded borer larva

Flatheaded borer larva.

Eucalyptus longhorned borer

Eucalyptus longhorned borer.

Beetles that bore into tree branches, twigs and trunks include bark beetles, flatheaded borers and longhorned borers. In each case, adults lay eggs on or in wood, and larvae feed within the wood, usually making distinctive tunnel patterns called galleries.

Tree borers (general)

Bark beetles (general)

Flatheaded borers

Roundheaded (longhorned) borers

Other borers

En español

related or similar pests

More tree borers can be found in Caterpillars.