This enhanced formula has better protection. The Bayer 12 Month Tree and Shrub Protect and Feed Granules provide 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. Includes built-in measuring cup. Also great for use on potted plants.