What's That Bug? does not endorse extermination

No idea what this thing is..
Location: Southern Minnesota
June 20, 2011 1:51 pm
I was pounding a steel post in for my garden fence when I noticed this little friend on the post. It was about 2.5 to 3 inches long and maybe a half inch wide. When I told my sister about, she said she had found the same bug in a tub in the shed a couple days before and let it go in the yard. I left it alone and it eventually was gone. Any idea what it is?
Signature: JWB

Giant Stonefly

Dear JWB,
This marvelous insect is a Giant Stonefly in the genus
Pteronarcys.

What's That Bug? does not endorse extermination
Location: Minnesota

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