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Extension > Garden > Diagnose a problem > What insect is this? > Insects found indoors > Beetles, bugs, ants, and other insects without obvious wings - Larger than 1/4 up to 1/2 inch long > Redbanded ash borer

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Redbanded ash borer

Redbanded ash borer

Jeff Hahn


Size: 1/2 inch long

Where/When: Most commonly found indoors during winter although can be found at other times of the year.

Significance: Is associated with ash as well as oak, hickory, and hackberry wood. Can be brought indoors in firewood or lumber in construction projects. Is harmless to people. Can cause cosmetic damage to wood from which it emerges, but fortunately it does not re-infest wood.

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