Scientific Name: Maladera castanea
Native Range: Japan and China, introduced to Pennsylvania*
Size: Length: 7 – 9 mm (0.28 – 0.35 in)*
Active: Summer, nocternal*
Color and Appearance: Cinnamon brown*
August 18, 2020: Asiatic garden beetles are active at night. I found this one in a spotlight.
*From Wikipedia: https://en.wikipedia.org/wiki/Maladera_castanea