Updated: October 7, 2022

Cineraria plant is a beautiful flowering plant that is widely grown for its vibrant, colorful blooms. However, like any other plant, cineraria can also be attacked by pests and diseases. One of the most common pests that attack cineraria plants is the lerp insect. These tiny insects can damage the leaves and cause the plant to lose its charm. In this article, we will discuss how to get rid of lerps on cineraria plants.

What are Lerps?

Lerps are small, sap-sucking insects that belong to the family Psyllidae. They are usually found on the undersides of leaves and secrete a white, waxy substance that covers them and their eggs. This waxy coating is called a lerp, which gives the insect its name.

Lerps can be found on various plants, including cineraria, eucalyptus, and citrus trees. They feed on the sap of the plants, which weakens them and makes them more susceptible to diseases.

Signs of Lerp Infestation

If you notice a white, powdery substance on the leaves of your cineraria plant, it could be a sign of lerp infestation. Other signs include yellowing or wilting leaves and stunted growth. If left untreated, lerps can cause serious damage to the plant and even kill it.

How to Get Rid of Lerps on Cineraria Plants

1. Physical Control

One of the most effective ways to get rid of lerps on cineraria plants is physical control. You can remove them by gently scraping off the lerps with your fingernail or a soft-bristled brush. You can also wash them off with a strong jet of water from a garden hose.

2. Chemical Control

If physical control doesn’t work, you can use chemical control methods to get rid of lerps. There are various insecticides available in the market that are effective against lerps. However, make sure to choose a product that is safe for cineraria plants and follow the instructions carefully.

3. Biological Control

Biological control is another effective way to get rid of lerps on cineraria plants. You can introduce natural predators like ladybugs, lacewings, and parasitic wasps to your garden. These insects will feed on the lerps and their eggs, reducing their population.

Preventing Lerp Infestation

Prevention is always better than cure. Here are some tips to prevent lerp infestation on your cineraria plants:

  • Keep your plants healthy by providing them with the right amount of water, sunlight, and nutrients.
  • Keep an eye out for signs of infestation and take prompt action if you notice any.
  • Prune infected leaves and dispose of them properly.
  • Use insecticidal soap or neem oil as a preventive measure.


Are lerps harmful to humans?

No, lerps are not harmful to humans.

Can I use dish soap to get rid of lerps?

Yes, you can use a mixture of dish soap and water to get rid of lerps. Mix one teaspoon of dish soap with one quart of water and spray the solution on the affected areas.

How often should I check my cineraria plants for lerps?

You should check your cineraria plants for lerps at least once a week during the growing season.

Can I use vinegar to get rid of lerps?

No, vinegar is not effective against lerps. It can also damage your plant if used in high concentrations.

In conclusion, lerps can be a nuisance for cineraria plant owners, but with the right approach, they can be controlled and prevented. Remember to keep your plants healthy, check them regularly, and take prompt action to prevent infestation.