Yates Lawn Grub & Porina Kill + Protect - 2.5KGYates Lawn Grub and Porina Kill + Protect delivers excellent preventative control against a large range of lawn pests commonly found in New Zealand. For best results, apply early in the season at the appearance of overwintering adult pests. The long residual performance Yates Lawn Grub and Porina Kill + Protect will provide up to 6 months protection at the higher application rates. Control of pest outbreaks later in the season can also be achieved