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How to Get Rid of Lerps on Succulent Jade Plant

Updated: July 23, 2023

Lerps are a common problem faced by succulent enthusiasts, especially when it comes to the beloved jade plant (Crassula ovata). These tiny pests can wreak havoc on the health and appearance of your jade plant if left untreated. In this article, we will discuss what lerps are, how to identify them, and most importantly, how to get rid of them to ensure the vitality and beauty of your succulent.

Understanding Lerps

Lerps are small, scale-like insects that belong to the family Psyllidae. They are commonly found on various plants, including succulents like jade plants. The adult lerps have a flat, oval shape and can vary in color from brown to yellow or green. They are usually around 2-3mm in size, making them difficult to spot at first glance.

Identifying Lerps on Jade Plants

The presence of lerps on your jade plant can be identified through several telltale signs. Look for tiny, raised bumps or blisters on the leaves of your plant. These bumps are actually protective coverings created by the nymphs as they feed on the sap of the plant. If you gently scrape off one of these bumps, you may find tiny insects inside.

Another sign of lerp infestation is the appearance of sticky honeydew residue on the leaves and nearby surfaces. This sticky substance is actually excreted by the insects as they feed and can lead to the growth of sooty mold if left unaddressed.

Removing Lerps from Your Jade Plant

Getting rid of lerps from your jade plant requires a multi-step approach that combines both physical and chemical control methods. Here’s how you can tackle this problem effectively:

1. Manual Removal

Start by manually removing as many lerps as possible from your jade plant. Use a soft brush or cotton swab dipped in rubbing alcohol to gently brush off the protective bumps. Make sure to check both sides of the leaves and pay special attention to the areas where lerps are most commonly found, such as leaf joints and new growth.

2. Pruning Infested Branches

If the infestation is severe and widespread, it may be necessary to prune off the heavily infested branches. Use clean and sharp pruning shears to carefully remove the affected parts. Disinfect the pruning shears between cuts to prevent spreading any potential pests or diseases.

3. Introduce Natural Predators

Encourage natural predators of lerps to help control their population. Ladybugs, lacewings, and parasitic wasps are known to feed on lerps and can be introduced to your garden as beneficial insects. You can purchase these predators from reputable garden centers or online suppliers.

4. Neem Oil Treatment

Neem oil is a natural and effective insecticide that can be used to control lerps on your jade plant. Mix neem oil with water according to the instructions on the product label and spray it onto the affected areas of your plant. Repeat this treatment every 7-10 days until the infestation is completely eradicated.

5. Systemic Insecticides

If the infestation persists despite your best efforts, you may consider using systemic insecticides as a last resort. These insecticides are absorbed by the plant and kill pests when they feed on it. However, make sure to carefully read and follow the instructions on the product label, as systemic insecticides can be toxic to beneficial insects and should be used with caution.

Preventing Lerp Infestations

Prevention is always better than cure when it comes to lerp infestations. Here are some preventive measures you can take to keep your jade plants healthy and free from lerps:

  • Inspect new plants: Before bringing home a new jade plant, thoroughly inspect it for any signs of lerps or other pests. Quarantine the plant if necessary to avoid introducing any potential problems to your existing collection.

  • Maintain good hygiene: Regularly clean your jade plants by removing dead leaves and debris that can harbor pests. This will help create an unfavorable environment for lerps and other insects.

  • Optimize growing conditions: Keep your jade plants in optimal conditions, including providing adequate sunlight, well-draining soil, and proper watering. Healthy plants are more resistant to pest infestations.

  • Avoid over-fertilization: Excessive use of fertilizers can attract pests like lerps. Use a balanced fertilizer specifically formulated for succulents and follow the recommended dosage.

By following these preventive measures and promptly addressing any lerp infestations, you can ensure the health and beauty of your succulent jade plant.

In conclusion, lerps can be a troublesome pest for succulent enthusiasts, but with the right approach, they can be effectively controlled. Remember to identify the signs of infestation, remove lerps manually, prune affected branches if necessary, introduce natural predators, and use appropriate insecticides when needed. With proper care and attention, your jade plant will thrive and remain free from these pesky invaders.

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