The Flat-headed Maple Borer is a large, elongated buprestid beetle with a coppery-bronze lustre and sculptured elytra tips that diverge in a distinctive forked fashion. It attacks stressed maples, birches, and beeches, with larvae boring deep galleries in the sapwood. Adults are crepuscular and can be found resting on wounded or dying tree trunks.
Best time to see a Flat-headed Maple Borer
The best time to see a Flat-headed Maple Borer is April–July, when about 71% of U.S. sightings happen, based on 279 research-grade iNaturalist observations.
Not certain it is a Flat-headed Maple Borer? What bug is this? walks through what to check first and the lookalikes that catch people out.
Recent Flat-headed Maple Borer sightings near you
Live, research-grade observations from iNaturalist. Allow location to center the map on you.
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