What kind of beetle is this?
Location: Granville, OH
August 15, 2011 11:44 am
Found on our deck in Ohio — bigger than other beetles we’ve seen.
Signature: Lisa Kelleher

Brown Prionid

Dear Lisa,
This magnificent beetle is known as a Brown Prionid,
Orthosoma brunneum, and we have received a few identification requests for it this season.  According to BugGuide, it:  “Breeds in poles, roots(?) in contact with wet ground.”

Location: Ohio

3 Responses to Brown Prionid

  1. Jim says:

    I just found a brown Prionid on my screen door here in Grand Rapids MI. it was as big as my thumb – almost honey color.

  2. Cheryl says:

    We found this same beetle 2″ long on the step leading to our CT. screen porch.

  3. Margarita says:

    Found one here in Willow Grove PA (outside of Phila) in my office. How did something that big get in??

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