Submitter does not have a specimen
This was over a month ago... I took a picture because I didn't know what it was... Now after reading this story in the Portland Tribune I am fairly certain it was a Japanese Beetle.
See these resources for more info:
http://pestdetector.forestry.oregonstate.edu/pests
http://tinyurl.com/ODF-ForestHealth
Wyatt
Wyatt Williams
Sept. 9, 2016, 8:32 a.m.