• Kills caterpillars, gypsy moth larvae, worms and cabbage loopers
• Effective method of eliminating your garden or field of the tomato hornworm without environmental concerns or harm to beneficial insects
• Can be used up until day of harvest
• OMRI Listed and compliant for use in organic gardening
• Contains bacillus thuringiensis var Kurstaki 98.35 percent

Safer Brand 16 oz. Caterpillar Killer II Concentrate kills worms and caterpillar stage insects but has no effect on birds, earthworms, or beneficial insects when used as directed. The caterpillars and worms that are damaging your plants will stop feeding immediately after ingesting, which is known scientifically as Bacillus Thuringiensis var. Kurstaki (B.t. for short).Use in late afternoon or on cloudy days since the BT breaks down in sunlight. Controls tent caterpillars, gypsy moths, cabbage loopers, tomato horn worms and more. Safer Brand Caterpillar Killer is OMRI Listed and can be used up until the day of harvest.