Long-haired June Beetle

Eastern Washington

Ten-lined June Beetle female

Ten-lined June Beetle

Ten-lined June Beetle male

Beetle larva

The Long-haired June Beetle or Polyphylla crinita is found in sandy locations across the western U.S. with the species inhabiting California, Oregon, Washington and British Columbia. They buzz about loudly at night, attracted to lights . The hissing sound of this scarab beetle may attract attention when trapped in the web of the black widow spider, where I've found it caught a few times. Its larvae feed on sod and the roots of various shrubs and trees, including fruit trees, and may stress or kill them. Adult beetles are feed on conifer needles. The larva of the scarab hunter wasp is a parasite found to feed on living scarab larva and help keep the pest in check in ecologically healthy areas.

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