By Joseph
Japanese beetles are nasty pests that plague U.S.A gardens and in Canadian places which were accidentally imported in a root of a plant in a nursery in the 1916. Females lay eggs in midsummer. Grubs hatch in about two weeks and they have a comma-shaped body. They eat plants and then enter the pupa in late May or early June. Adults come out of the soil near the end of June then eat plants. Gardeners try to control them with baited traps. U.S.D.O.A (United States Department of agriculture) has released several parasites to attack Japanese beetles before they grow into adults.
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