It’s no secret that caterpillars can be a pest. They like to feed on your plants and make it nearly impossible to grow anything in your garden or yard. But what should you do if you find out that you have a caterpillar infestation?. There are a number of insecticides that will kill caterpillars. However, you need to be careful with which insecticide you use, as many of them can be toxic to humans and pets.

If you’re worried about caterpillars, then you’re probably not alone. There are hundreds of thousands of different types of caterpillars in the world, and they can all be harmful to your plants, they can even eat your house if they get hungry enough.

Caterpillars are the larval stage of moths and butterflies. They’re known for their voracious appetites, especially as they grow from baby caterpillars into hungry adults. If you’re a gardener whose prized plants are being eaten by caterpillars, then it’s time to take action. Fortunately, there are a wide variety of effective insecticides for caterpillars on the market. Here’s what you need to know about them

Simply put, there is no easy way to get rid of them. It takes time, effort, and persistence to keep caterpillars away from your garden. If you’re looking for a quick solution, then you might want to try one of these insecticides:


Dipel is an EPA-registered insecticide that is safe for use on plants and in the garden. This product can be used to control caterpillars, moths, and other insects that damage ornamental trees and shrubs.

It is labeled for use on ornamental trees and shrubs – including fruit trees such as apples, cherries, peaches, pears, and plums; flowering shrubs like roses; evergreens such as junipers; other plants like azaleas; strawberries; tomatoes


Thuricide is a contact insecticide that kills caterpillars with a single spray. It is highly effective, yet safe for use around food crops.

PyGanic Dust is another contact insecticide that works similarly to Thuricide. However, it is not as effective against caterpillars and may be more useful for garden owners with smaller crops.

Neem Oil Soap Spray Insecticide

Neem oil soap spray is a good choice for those who want an organic insecticide that is effective against caterpillars. It can be used in gardens where pesticides aren’t allowed, or by those who want to avoid harsh chemicals. Neem oil soap spray will kill the caterpillar and its eggs. You should note that this product may not work quickly enough to kill adult moths before they lay more eggs, so it’s important to keep an eye out for them as well as their larvae.

Safer Brand Caterpillar Killer

Safer Brand Caterpillar Killer is a non-toxic, organic insecticide that is safe for humans, pets, and the environment. Safer Brand is a leader in non-toxic, organic pest control products. Captain Jack’s Dead Bug Brew contains Spinosad which is derived from an extract of the bacterium Saccharopolyspora Spinosa. This product can be sprayed on hemlock woolly adelgid infestations as well as caterpillar infestations

PyGanic Gardening Dust

PyGanic Gardening Dust is a natural insecticide made from diatomaceous earth and other organic ingredients. It kills insects by drying them out, which means it’s safe for humans, pets, and the environment. You can use it on plants, flowers, vegetables, and pretty much any plant that needs protection from pests. And since it’s made from diatomaceous earth (DE), you don’t need to worry about using toxic chemicals that could harm your family or wildlife if they get into your yard or garden while you’re applying it.

Captain Jack’s Dead Bug Brew

Captain Jack’s Dead Bug Brew

What is Captain Jack’s Dead Bug Brew?

Captain Jack’s Dead Bug Brew is a ready-to-use insecticide spray diluted with water. It contains Spinosad, which is derived from naturally occurring soil-dwelling bacteria called Saccharopolyspora Spinosa. The active ingredient in this product kills most insects on contact and has been approved for use by the EPA since 1995. This insecticide does not require any mixing of chemicals or additives prior to application and can be sprayed on plants, trees, and shrubs up until the day before harvest if needed. How long does it take for Captain Jack’s Dead Bug Brew to kill caterpillars?

The active ingredient in Captain Jack’s Dead Bug Brew takes about 24 hours to start killing insects so you must apply this product daily until all visible signs of infestation have been eliminated. If you only treat once per week then you will likely still see some damage from caterpillar-eating leaves even though your plant may look better than before being sprayed with Captain Jack’s Dead Bug Brew.

There is a variety of insecticides for caterpillars on the market, so you can pick one that works for your specific needs.

There is a variety of insecticides for caterpillars on the market, so you can pick one that works for your specific needs. Some caterpillar insecticides are more effective than others, some are more environmentally friendly and some are cheaper.

If you want a safe and effective way to kill caterpillars and their larvae without harming yourself or your family, try using one of these products:

That’s our list of the best insecticides for caterpillars. We hope that this article has helped you figure out which product is best for your needs, and we wish you luck in your garden.

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