Updated: January 21, 2023

The Earth Star plant, also known as Cryptanthus, is a popular houseplant known for its unique and attractive foliage. However, these plants are prone to infestations by small insects called lerps. Lerps are tiny, sap-sucking insects that cover themselves with a protective shell made of the plant’s sugary excretions. If left untreated, lerps can cause significant damage to your Earth Star plant. Here are some steps you can take to get rid of lerps and keep your plant healthy.

Step 1: Identify the Infestation

The first step in getting rid of lerps is to identify the infestation. Look for small, brown, shell-like structures on the leaves of your Earth Star plant. These structures are the protective shells that lerps create around themselves. You may also notice yellowing or wilting leaves, which are signs of a lerp infestation.

Step 2: Remove the Lerps

Once you have identified the infestation, your next step is to remove the lerps from your Earth Star plant. You can do this by gently wiping the affected leaves with a damp cloth or cotton swab. Be sure to dispose of the cloth or swab after each use to prevent spreading the infestation.

Step 3: Apply Insecticidal Soap

After removing as many lerps as possible, the next step is to apply an insecticidal soap. Insecticidal soap is a safe and effective way to kill lerps without harming your plant. Spray the soap directly onto the affected leaves, making sure to cover both sides of each leaf. Follow the instructions on the product label for application rates and frequency.

Step 4: Monitor Your Plant

After treating your Earth Star plant for lerps, it’s important to monitor it closely for any signs of reinfestation. Check the plant regularly for new lerps or damaged leaves. If you notice any signs of a new infestation, repeat steps 2 and 3.

Step 5: Prevent Future Infestations

Preventing future lerp infestations is key to keeping your Earth Star plant healthy. Here are some steps you can take to prevent lerps from returning:

  • Keep your plant clean: Regularly remove dead leaves and debris from around your Earth Star plant to prevent the buildup of pests and disease.
  • Use sterile soil: Use high-quality, sterile soil when repotting your Earth Star plant to prevent introducing pests or disease to your plant.
  • Quarantine new plants: When bringing a new plant into your home, keep it quarantined from your other plants for a few weeks to monitor for any signs of pests or disease.

By following these steps, you can effectively get rid of lerps on your Earth Star plant and prevent future infestations.

FAQ

Are lerps harmful to humans?
No, lerps are not harmful to humans. They are only harmful to plants.

Can I use neem oil to treat lerp infestations?
Yes, neem oil can be an effective treatment for lerp infestations. Follow the product label instructions for application rates and frequency.

How often should I check my Earth Star plant for lerps?
You should check your Earth Star plant regularly for signs of lerps or other pests. A weekly inspection is recommended.

Will removing the affected leaves harm my Earth Star plant?
No, removing affected leaves will not harm your Earth Star plant. In fact, removing damaged leaves can promote new growth.

Can I prevent lerp infestations by using fertilizer?
No, using fertilizer will not prevent lerp infestations. However, using a balanced fertilizer can help keep your Earth Star plant healthy and more resistant to pests and disease.