Summary[edit] Description: US distribution of Japanese Beetle, (This map is not entirely accurate. Infestation is established much farther west at least to the Oklahoma line.). Date:. Source: APHIS. Author: This file is lacking author information. Permission (Reusing this file): PD-US.
Rose Chafer? and Japanese Beetle - Popillia japonica, Jones Preserve, Washington, Virginia. I have no idea what this behavior means - if anyone has any ideas, I welcome them.