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Oil Beetle



They are known as "oil beetles" because they release oily droplets of hemolymph from their joints when disturbed; this contains cantharidin, a poisonous chemical causing blistering of the skin and painful swelling.


found among the grass in a small clearing in the woods.

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Nomad Mike
Spotted by
Nomad Mike

Pennsylvania, USA

Spotted on Sep 23, 2013
Submitted on Nov 12, 2013

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