Updated: July 2, 2023

Are you noticing small, white, waxy bumps on the leaves of your red Anthurium plant? These bumps are called lerps and are caused by tiny insects known as lerp psyllids. While they may not cause immediate harm to your plant, they can weaken it over time if left untreated. In this article, we will discuss effective methods to get rid of lerps and keep your red Anthurium plant healthy and thriving.

Understanding Lerps and Lerp Psyllids

Lerps are protective coverings created by lerp psyllid nymphs. These coverings serve as a shield against predators and adverse environmental conditions. Lerp psyllids are sap-sucking insects that feed on the leaves of plants, including the red Anthurium. The nymphs produce a sugary substance called honeydew, which attracts ants that can further damage the plant by spreading diseases.

Identifying Lerps and Lerp Psyllids

To effectively combat lerps on your red Anthurium plant, it is essential to correctly identify them. Lerps appear as small, raised, white or yellow bumps on the leaves. When disturbed, they may move slightly or even jump off the plant. Lerp psyllids are tiny insects that are difficult to spot individually but can be seen in large numbers on the undersides of leaves.

Non-Chemical Methods

Before resorting to chemical treatments, it is best to try non-chemical methods to get rid of lerps on your red Anthurium plant. These methods are safe for both the plant and the environment.

1. Pruning Infested Leaves

Inspect your red Anthurium plant carefully and identify the leaves that are heavily infested with lerps. Using clean pruning shears or scissors, carefully remove these leaves from the plant. Bag and dispose of the infested leaves to prevent the spread of lerp psyllids to other plants.

2. Washing the Leaves

Gently wash the leaves of your red Anthurium plant using a mild soap solution or neem oil. This will help remove any lerps present on the surface of the leaves. Be sure to rinse the leaves thoroughly with clean water afterward to avoid any soap residue.

3. Introducing Natural Predators

Some beneficial insects, such as ladybugs and lacewings, feed on lerp psyllids and can help control their population. Consider introducing these natural predators to your garden or indoor space where your red Anthurium plant is located. You can purchase these beneficial insects from nurseries or online suppliers.

Chemical Methods

If non-chemical methods do not provide satisfactory results, or if the infestation is severe, you may need to resort to chemical treatments. It is important to choose an appropriate insecticide and apply it correctly to minimize any potential harm to your red Anthurium plant.

1. Insecticidal Soap

Insecticidal soaps are effective against lerp psyllids and other soft-bodied insects. They work by suffocating the insects, making them an environmentally friendly option. Follow the instructions on the label and apply the insecticidal soap evenly on all parts of the red Anthurium plant, paying extra attention to the undersides of leaves.

2. Neem Oil

Neem oil is a natural insecticide derived from the neem tree. It acts as both a repellent and a growth regulator for lerp psyllids. Mix neem oil with water according to the manufacturer’s instructions and spray it onto the affected areas of your red Anthurium plant. Repeat this treatment every 7-10 days until the infestation is under control.

3. Systemic Insecticides

Systemic insecticides are absorbed by the plant and circulated throughout its vascular system. This makes them effective against lerp psyllids that are difficult to reach with contact insecticides. However, systemic insecticides should be used with caution, as they can harm beneficial insects and other non-target organisms. It is essential to carefully read and follow the instructions provided by the manufacturer.

Preventing Future Infestations

Prevention is key when it comes to keeping your red Anthurium plant free from lerps and lerp psyllids. Here are some preventive measures to consider:

  • Regularly inspect your red Anthurium plant for any signs of lerps or other pests.
  • Avoid over-fertilizing your plant, as excessive nitrogen can attract lerp psyllids.
  • Keep your plant well-watered but avoid waterlogging, as lerp psyllids thrive in moist conditions.
  • Quarantine new plants before introducing them to your red Anthurium plant to prevent the spread of pests.
  • Maintain a clean and tidy garden or indoor space to discourage the presence of ants, which can exacerbate lerp infestations.

By following these preventive measures and using effective treatments when necessary, you can keep your red Anthurium plant healthy and free from lerps. Remember to always choose environmentally friendly options whenever possible and consult with professionals if you have any concerns or questions about pest management. Happy gardening!