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Approximate treatment season for some lawn insects. Actual treatment time varies depending in part on location, temperature, rainfall, and the specific insecticide use. Before applying an insecticide, monitor for insects to confirm pest presence and that numbers exceed thresholds.

Adapted from Ali, A. D., and C. L. Elmore, eds. 1989. Turfgrass Pests. Oakland: UC ANR Publication 4053.

Statewide IPM Program, Agriculture and Natural Resources, University of California
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