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Caterpillar Killer Spray Reviews: Get Rid of Tomato Hornworm

 Caterpill Killr Spry 8oz

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Caterpillar Killer Spray is a biological insecticide that is extremely selective. It contains Bacillus thuringiensis (Bt), a naturally occurring bacteria that is fatal to the larvae of the order Lepidoptera (butterfly family).

It's used against chewing larvae (caterpillars) of the cabbage looper, cabbageworm, grape leaf folder, tomato hornworm, cutworm, sod webworm, tobacco budworm, and several other lepidopterous species like armyworms, leafroller, and webworm, etc.

What's interesting about Caterpillar Killer, is that humans, beneficial insects, birds, fish, and wildlife are NOT affected by it, and treated vegetables may be picked and consumed anytime after spraying. Pets and family may return to the treated area immediately after the spray deposits are dry.

So how does it work? Well, caterpillars must eat a small amount of a treated leaf to get a lethal dose, so your application has to be pretty thorough.

Uniform coverage of both sides of all foliage subject to attack is essential for fast and complete control, so we recommend using either a pest pistol or hand duster (see images below).

Apply upon first sighting of pests and repeat as necessary. Caterpillars stop feeding within a few hours after taking a bite of the treated leaf. Death follows within a few days.

So this summer, if you are having any kind of problems with caterpillars, try some Caterpillar Killer Spray. You'll be glad you did, and so will the environment!

You can read more about the Tomato Hornworm, its lifecycle and habits.

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Hilary Rinaldi
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Hilary Rinaldi
Hilary Rinaldi is a certified organic grower and has a very real interest in making gardening enjoyable and successful for everyone. She is a professional public speaker and educator in the horticulture industry and loves to give out as many gardening tips as she can.