Yates Grub Kill & Protect For Lawns controls and prevents a large range of common lawn pests, including curl grub, weevill larvae, billbug larvae, caterpillars (including lawn army worm) and more. Optimal results are achieved when applied early in the season at the appearance of overwintering adult pests. The long residual performance will provide up to 6 months protection when applied at the higher application rates. Curative control with pest outbreaks later in the season can also be achieved.