Chinch bugs feed on grass juices and cause expanding, irregular patches of dead or stunted grass surrounded by a halo of yellowing, dying grass. Damage typically begins in a sunny location adjacent to a concrete walkway or curb.
Damage can increase rapidly, especially in sunny locations during hot, dry weather.
St. Augustine grass primarily. May feed on zoysia, centipede, bahia or bermuda grass. Use a slow-release fertilizer at a moderate rate to prevent quick, juicy growth that chinch bugs love. Check the Lawn Care page for more information. Some predators, such as big-eyed bugs, may help suppress populations.