Other beetles can be found on roses and are described below. Scouting One of the favored foods of adult Japanese beetles is rose foliage and flowers, although adults feed on many plant species. Larvae feed on the roots of grasses. Inspect your plants for skeletonized leaves and the presence of adult beetles. Control the Minnesota Department of Agriculture has a quarantine on Japanese beetles as of 1997.
Control is the same as the rose chafer.
False Japanese beetle. The false japanese beetle is scarab beetle that resembles the Japanese beetle and is native to Minnesota, but is less of a problem species. Some may have a slight metallic green color on the front third of the body, though not as bright as the Japanese beetle. There are no white tufts along the dorsal abdomen edges as is found on the Japanese beetle. Scouting This insect has not been studied extensively.