The grub stage is harmless to the trees. Green June beetle populations vary from year to year. June Bug Damage. The larvae are white. Their color varies from dull brown with irregular stripes of green to a uniform velvet green. The damage caused to fruit crops ranges from negligible in some years to considerable in other years.
Image from: UGA Center for Urban Agriculture. The upper body of the June Beetle can be velvety green to a dull-colored brown. These grubs may be abundant in pastures, but in Kentucky they are not often a problem in managed turf. They typically feed on ripened fruit. June bug grubs live underground, snacking on grassroots, and causing your lawn to die back. Scientific name: Cotinis nitida. The Green June beetle has a green velvet to green metallic color with bronze stripes. Green June beetle grubs feed mainly on organic matter in the soil but damage turfgrasses by tunneling and pushing up small mounds of soil. Now is the time for fruit crop producers to scout for adult Green June beetle emergence. The top of your grass and your yard aren’t safe either; adult June bugs will munch on leaves, shrubs, vegetable plants, and more. June Beetles have elytra, a hardened shell like forewing that opens and closes when they take flight.Adults also have a distinct, small, flat horn on the head. These beetles are considered a serious pest and can injure fruits of numerous crops including grapes, apple, pear, quince, plum, apricot, peach, nectarine, blackberry, and raspberry. Green June Beetles. Also known as green June beetles, June bugs can cause an incredible amount of damage to your lawn.
The underside of the body is shiny metallic green or gold. Adult Green June beetles are identified as ¾ to 1 inch long and ½ inch wide. May beetles take two to three years to complete their cycle. Green June Beetle.