Rose Chafers

Pest Type: Insect

Damage to Plant: Leaves are chewed to lace and holes are eaten in flowers (adults); brown patches of lawn roll up (larvae).

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Generally Affects:


Unlike most insects named after particular plants, the rose chafer doesn’t limit itself to one target. It’s a general pest. The 2 1/2 inch long adults, slender, long legged, and light tan in color, feed in swarms, attacking flowering plants first, then moving on to other kinds of plants. The slim, white, 1/4 inch long grubs damage grass roots the same way Japanese beetle and June beetle grubs do but only in sandy soils.

Life Cycle: After emerging in spring, adults feed for a few weeks, then lay eggs in sandy soil. The grubs hatch and feed near the surface, then tunnel deeper to overwinter. In spring, they move upward and feed for a time, then pupate near the surface. There is one generation a year.

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