adult Japanese beetle Popillia japonica Japanese beetles have two white rear tufts and five white lateral tufts of hair. Adults found on plants.
adult False Japanese adult rose chafer beetle Macrodactylus Strigoderma arbicola subspinosus False Japanese beetles Rose chafer are a light lack the five white hair green tan color with tufts along wing long legs. Adults margin. Adults rarely found on plants. seen.
adult May/June beetle adult masked chafer Phyllophaga species Cyclocephala borealis Adults found at lights. Adults do not feed so not found at lights or plants.
adult black turfgrass Ataenius Ataenius spretulus The smallest species found in turf with high organic matter.
Figure 1. Adult stages of several white grub species.
(above 65 degrees F) for several hours just before and after sunset. Adult activity peaks within two to three weeks of first emergence. Eggs are deposited 2 to 4 inches below the soil surface. First instar
(or larval stage) grubs emerge from eggs in early August and molt to second larval instar by the middle of August. By September 1, nearly all grubs are second instar (1/2 inch long), and by October 1, most of the
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