Check this bugger out:

http://www.puyallup.wsu.edu/plantclinic/resources/pdf/pls5junebeetles.pdf

The things you learn on the internet - beetles make up 40% of the bug species and there are more than 350,000 types of beetles.
More useless information for you. Maybe somebody can win a bar bet with this info.
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"I didn't care what she didn't 'low--I would boogie-woogie anyhow" John Lee Hooker