Japanese beetle (Popillia japonica) treatments are underway in South Central Washington. The Washington State Department of ...

The adult Japanese beetles that eat so many plants are about 3/8-inch long, with a shiny, metallic green body and copper-brown wing covers. However, not all metallic green or copper beetles are ...

usually copper in color with shades of green.” Pro tip: Look for six white tufts of hair along the edges of the body underneath the wings. That confirms you’re dealing with Japanese beetles.