These grubby-looking, plain insects are typically identified by curling up when disturbed, resembling a “C” shape. Cutworms have various species, ranging in color from brown or black to pink or white.
How Can Cutworms Ruin Your Lawn?
Cutworms can be very destructive insects, particularly on golf courses and other highly maintained turf areas. They feed on several kinds of grass, but most commonly on Kentucky Bluegrass and Bentgrass.
Grass damage can occur any time from late May through the rest of the growing season but is most obvious in June through August when temperatures are highest and cool season grasses are not growing as fast. Cutworm-damaged spots look like smaller round dead areas and can persist for several weeks.
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