Nuttail’s Blister Beetle

Subject:  Metalic Green Beetle
Geographic location of the bug:  North Central Colorado Foothills
Date: 07/19/2018
Time: 08:40 AM EDT
Your letter to the bugman:  Dear Bugman,
This awesome little beetle ended up flying into my face while I was our for a hike at one of our foothills parks.  I have never seen anything like this little guy before.  I am hoping you can shed some light for me.
How you want your letter signed:  With a pen… or pencil… it’s all good.

Nuttail’s Blister Beetle

Thanks to this BugGuide image, we are confident that this is Nuttail’s Blister Beetle, Lytta nuttalli, a species with much color variation.  According to BugGuide:  “Adults feed on legumes.”  You were lucky when you encountered this Nuttail’s Blister Beetle because physical contact with Blister Beetles should be avoided as they can secrete cantharidin, a compound known to cause blistering in human skin.

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