Lawn Grub Killer, Lawn Pest Killer and Preventer Covers 660sqm Application rate: 1.5kg per 100sqm – $170 Provides unmatched, season long grub and caterpillar control in a single application. ACELEPRYN GR controls a wide range of insect pests including African Black Beetle, Argentinian Scarab, Billbugs and several species of caterpillars including Cutworm, Sod Webworm and Lawn Armyworm.