What's That Bug? does not endorse extermination

Unknown flying beetle?
May 20, 2010
Hello everyone,
Great pictures and information here.
We found this bug on the deck in the morning, possibly drawn to the night light. It has some trauma from the birds pecking at it. It is quite large about 2cm wide and 4cm long. It has large wings almost 3cm long and back legs. I hope someone can help us identify this bug.
Sue and John
Southern Ontario Canada

Predaceous Diving Beetle

Dear Sue and John,
This is a Predaceous Diving Beetle in the genus Dysticus.  Though they are aquatic, they can also fly and are attracted to lights.  BugGuide has wonderful information on the genus.

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What's That Bug? does not endorse extermination

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