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Colorado QS
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Japanese Beetle
C-shaped larave that is creamy white with a dark head with well developed legs.
Adults are metallic green with coppery brown white tips
5 patches of short white hairs along each side of abdomen
Life cycle of Japanese Beetles
One year life cycle (4-8 weeks)
Female lay 40-60 eggs in moist soil (2-3 inches down in soil)
Larvae feed on plant roots and are sensitive to soil drying, reaching full size by September and pupate in spring
Adults emerge in June-August
Damage caused by Japanese Beetles
Similar to other white grubs (feeding on roots)
Adults feed on leaves, buds and flowers, “skeletonizing” leaves
IPM for Japanese Beetles
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