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Photo#1668918
Beetle damage? - Oberea erythrocephala
Copyright © 2019 Tom Klein

Beetle damage? - Oberea erythrocephala
Indian Lake County Park, Dane County, Wisconsin, USA
May 31, 2019
On the same plant as . I presume this is girdling caused by an Oberea erythrocephala, possibly with the hole into which an egg is laid at the start of the trail?
Contributed by Tom Klein on 31 May, 2019 - 8:42pm

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