Spectracide Triazicide Insect Killer For Lawns Granules, 20-Pound KILLS LAWN INSECTS: Use outdoors on lawns and as a band treatment around your house foundation. KILLS MORE THAN 100 INSECT TYPES: Kills insects above and below ground, including ants (excluding harvester and pharaoh ants), crickets, armyworms, cutworms, grubs, ticks and others as listed. KILLS ON CONTACT: Treat when insects first appear or when you notice lawn damage. CONTROLS GRUBS: Treat any time between late July and early October. GRANULAR FORMULA: Distribute granules uniformly around the treatment area; water in lightly immediately after application.