Richgro Lawn Beetle & Grub Killa 2.5Kg is a powerful insecticide that effectively targets and eliminates lawn beetles and grubs, which are a common problem in lawns across Australia. This Lawn Beetle Killer is a granular insecticide that kills Lawn Beetles and Grubs when they come into contact with it. Just sprinkle on the lawn and water in. For the control of Lawn Armyworm, Sod Webworm, Argentine Stem Weevil Adults, African Black Beetle, Billbug Adults. - Kills Lawn Beetles and Grubs when they come into contact with it - For the control of Lawn Armyworm, Sod Webworm, Argentine Stem Weevil Adults, African Black Beetle, Bilbug Adults - Active: 2g/kg Bifenthrin - Treats up to 400 square metres