Subject:  Black iridescent possum beetlely bug
Geographic location of the bug:  Central Michigan
Date: 10/10/2017
Time: 05:56 PM EDT
My cat found this one.  If you mess with it, it plays possum. The pictures don’t do the iridescence justice- it’s a subtle blue.
How you want your letter signed:  Curious in MI

Oil Beetle

Dear Curious in MI,
This is a Blister Beetle in the genus
Meloe, commonly called an Oil Beetle.  According to BugGuide:  “the common name refers to the habit of exuding yellowish oily liquid from the joints when molested” but we have always speculated that Oil Beetle might be a reference to the iridescence you noticed, because it does look like a thin layer of oil on the surface of water.

Location: Michigan

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