Insect damage in turfgrass can be difficult to diagnose as many insects cause similar types of nondescript damage (think: “yellowing or browning irregular patches”). Click to access the Key to Turfgrass Insect Damage tool and navigate through a series of questions and pictures to help you identify insect issues in turfgrass based on damage descriptions.
*Revised* Key to Turfgrass Insect Damage
(Updated: Oct. 14, 2025, 6:59 a.m.)
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