Dual-action formula: kills insects and prevents new infestations, slow-release feeding improves plant health. Kills destructive caterpillars - including gypsy moths and tent caterpillars. Also kills Japanese beetles, emerald ash borers, adelgids, leaf miners and fall web worms. A great way to prevent Japanese beetle damage. Include built-in measuring cup. Concentrate formula requires no spraying - just mix and pour at plant base.