How to Get Rid of Caterpillars on Fern Plant

Caterpillars can be a nuisance for fern plants. They feed on the leaves and can cause significant damage to the plant. Fortunately, there are several effective ways to get rid of caterpillars on fern plants. In this article, we will explore some of the best methods for dealing with these pesky insects.

Identify the Caterpillar Species

Before you start treating caterpillars on your fern plant, it’s essential to identify the species of caterpillar. This is crucial because different caterpillars have different habits and behaviors. Some may be easier to control than others.

Some common caterpillar species that feed on fern plants include:

• Bagworms
• Eastern tent caterpillars
• Fall webworms
• Cutworms

Once you know which species of caterpillar is causing problems for your fern plant, you can choose the most appropriate method for treating them.

Handpicking

If you only have a few caterpillars on your fern plant, handpicking them may be an effective solution. Wear gloves to protect your hands from the spines and hairs that some caterpillars have. Look for the caterpillars on the underside of leaves or in leaf axils, where they often hide.

Remove any visible caterpillars by hand and dispose of them in a sealed plastic bag or container. This method may not be suitable if you have a large infestation of caterpillars.

Natural Predators

Introducing natural predators to your garden is another effective way to control caterpillars. Birds, such as chickadees and nuthatches, are natural predators of caterpillars. You can attract these birds to your garden by providing birdhouses or bird feeders.

Another natural predator is the parasitic wasp. These wasps lay their eggs inside caterpillars, which eventually kills them. You can attract parasitic wasps to your garden by planting flowers that provide nectar and pollen.

Bacillus thuringiensis (Bt)

Bacillus thuringiensis (Bt) is a natural bacterium that is toxic to caterpillars. It is available in liquid or powder form and can be applied directly to the fern plant. When the caterpillar ingests Bt, it will stop feeding and eventually die.

Bt is safe for humans, pets, and beneficial insects like bees and ladybugs. However, it’s crucial to follow the manufacturer’s instructions when using this product.

Insecticidal Soap

Insecticidal soap is another effective treatment for caterpillars on fern plants. It works by suffocating the caterpillar’s respiratory system. Insecticidal soap is available in liquid form and can be applied directly to the fern plant.

It’s essential to use a soap specifically designed for plants, as regular dish soap can damage the fern plant. Follow the manufacturer’s instructions when using insecticidal soap.

Frequently Asked Questions

Are caterpillars harmful to fern plants?

Yes, caterpillars can cause significant damage to fern plants by feeding on the leaves.

How do I know if my fern plant has caterpillars?

Look for signs of damage on the fern plant’s leaves. Caterpillars often eat irregular holes in the leaves or skeletonize them, leaving only the veins intact.

Are there any natural ways to get rid of caterpillars on my fern plant?

Yes, introducing natural predators like birds or parasitic wasps can help control caterpillar populations. Handpicking and using Bacillus thuringiensis (Bt) are also effective natural solutions.

Is insecticidal soap safe for my fern plant?

Yes, insecticidal soap is safe for fern plants. However, it’s crucial to use a soap specifically designed for plants and follow the manufacturer’s instructions.

Conclusion

Caterpillars can be a frustrating problem for fern plant owners, but there are several effective ways to control them. Handpicking, introducing natural predators, using Bacillus thuringiensis (Bt), and insecticidal soap are all effective methods for getting rid of caterpillars on fern plants. By identifying the caterpillar species and choosing the most appropriate treatment, you can protect your fern plant from damage and keep it healthy.