Japanese Beetle

Definitely not an emerald ash borer. This is a Japanese beetle. Here's another example that also happens to have been spotted in Wisconsin: http://www.projectnoah.org/spottings/6843449

Japanese Beetle: http://bugguide.net/node/view/473 http://www.ext.colostate.edu/pubs/insect/05601.html Emerald Ash Borer: http://bugguide.net/node/view/27565 http://www.dec.ny.gov/animals/7253.html

Actually a Japanese beetle. Emerald ash borer has a different, more elongate shape and green elytra as opposed to the shiny chestnut ones here. http://en.wikipedia.org/wiki/Japanese_beetle