Copper bug
We have never seen this bug there were at least a hundred on our patio. We think they came from the tree that hangs over it.
Carver County Minnesota insect identification
1 Response
The photo does not provide much information about the fine details. Your description is consistent with japanese beetles.
http://blog-yard-garden-news.extension.umn.edu/2017/07/dealing-with-japanese-beetles.html