locust borer (Megacyllene robiniae) in Southern Plant Diagnostic Network

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locust borer (<em>Megacyllene robiniae</em>) adult(s)

Clemson University - USDA Cooperative Extension Slide Series , Bugwood.org

locust borer (Megacyllene robiniae) adult(s)

locust borer (<em>Megacyllene robiniae</em>) adult(s)

Clemson University - USDA Cooperative Extension Slide Series , Bugwood.org

locust borer (Megacyllene robiniae) adult(s)

locust borer (<em>Megacyllene robiniae</em>) pupa(e)

Lacy L. Hyche, Auburn University, Bugwood.org

locust borer (Megacyllene robiniae) pupa(e)

locust borer (<em>Megacyllene robiniae</em>) larva(e)

Lacy L. Hyche, Auburn University, Bugwood.org

locust borer (Megacyllene robiniae) larva(e)

locust borer (<em>Megacyllene robiniae</em>) pupa(e)

Lacy L. Hyche, Auburn University, Bugwood.org

locust borer (Megacyllene robiniae) pupa(e)

locust borer (<em>Megacyllene robiniae</em>) larva(e)

Lacy L. Hyche, Auburn University, Bugwood.org

locust borer (Megacyllene robiniae) larva(e)

locust borer (<em>Megacyllene robiniae</em>) adult(s)

Jim Baker, North Carolina State University, Bugwood.org

locust borer (Megacyllene robiniae) adult(s)

Their larvae bore through the bark and tunnel extensively in the wood. Heavily infested trees may be so weakened that they break off in high winds.

John A. Weidhass, Virginia Polytechnic Institute and State University, Bugwood.org

Their larvae bore through the bark and tunnel extensively in the wood. Heavily infested trees may be so weakened that they break off in high winds.

locust borer (<em>Megacyllene robiniae</em>) damage

Wayne Brewer, Auburn University, Bugwood.org

locust borer (Megacyllene robiniae) damage

eggs, larva, pupa, adult

James Solomon, USDA Forest Service, Bugwood.org

eggs, larva, pupa, adult

to stem (note adult exit holes)

James Solomon, USDA Forest Service, Bugwood.org

to stem (note adult exit holes)

locust borer (<em>Megacyllene robiniae</em>) damage on black locust (<em>Robinia pseudoacacia</em>)

James Solomon, USDA Forest Service, Bugwood.org

locust borer (Megacyllene robiniae) damage on black locust (Robinia pseudoacacia)

Megacyllene robiniae, common in the fall particularly on Goldenrod.

Jon Yuschock, Bugwood.org

Megacyllene robiniae, common in the fall particularly on Goldenrod.

Trunk of heavily damaged tree that was killed by locust borer

Whitney Cranshaw, Colorado State University, Bugwood.org

Trunk of heavily damaged tree that was killed by locust borer

Teneral adult within tunnel of black locust

Whitney Cranshaw, Colorado State University, Bugwood.org

Teneral adult within tunnel of black locust

Megacyllene robiniae dorsal

Steven Valley, Oregon Department of Agriculture, Bugwood.org

Megacyllene robiniae dorsal