MN Extension Service
Insect Journal

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Beneficial/Neutral Insects

Beetles, Bugs and Insects without Obvious Wings

hermit flower beetle, Osmoderma eremicola

Hermit Flower Beetle Appearance:

This beetle is 1 inch long.         

Where/When: Often found under loose bark or in tree cavities.   Larvae feed in old, decaying wood, including oak.   Active July through September.
Significance: Despite their size, adults are harmless.   Larvae help decompose and recycle dead trees.
Department of Entomology Insect Journal MN Extension Service