Consistent populations occur in the northeastern part of the state, as far south as Clay and Randolph counties. Other established populations occur annually in the Northport area of Tuscaloosa county. Homeowners in north Auburn report that for the last three years the Japanese beetles have been a problem on roses. Isolated incidents of Japanese beetle presence have been reported from other counties. May. Flights peak in June and taper off through July.
Japanese beetles are daytime flyers and feeders.
Five tufts of white hairs project from under the wing covers on each side, and a sixth pair at the tip of the abdomen distinguish Japanese beetles from similar beetles. These tufts of white hairs appear as white spots when viewed from the top. Adult beetles feed on many plant species, including roses, other flowers and ornamentals, fruit trees, grapes and even poison ivy. They usually feed in groups and prefer plants that are in the sun. Beetles feed on the upper surface of leaves which results in a skeletonized appearance of damaged leaves.