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Unidentified Insect-2 - Colymbetes sculptilis

Unidentified Insect-2 - Colymbetes sculptilis
Dunning Lake, Itasca County, Minnesota, USA
September 8, 2011
This was insect was on our deck near the porch light when I went out to check for moths.

Moved from Colymbetes.

Moved from ID Request.

Looks to be a Dytiscus type of water beetle. Take a look HERE at the Dytiscus genus and let me know what you think.


P.S. - Do you know the size and do you have a ventral photo? These are pretty much essential when trying to narrow down the species.

Bill, thanks for the quick response. I'm new to identifying insects so I wasn't aware that I should get a ventral photo. But after looking at the examples you referenced (above) I see how important that is. Well, I've learned something new tonight and next time I see one of these beetles I'll try to remember to get a ventral photo as well.

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