Updated: July 17, 2023

Introduction

Monkey plants, also known as monkey trees or Araucaria, are popular houseplants known for their unique appearance and ability to thrive indoors. However, like any other plant, they are susceptible to pests. One common pest that can infest monkey plants is the crusader bug. These small insects feed on the sap of the plant, causing damage to the leaves and overall health. In this article, we will discuss how to identify crusader bugs and provide effective methods for getting rid of them.

Identifying Crusader Bugs

Crusader bugs, also known as monkey plant bugs or monkey tree scale insects, are tiny insects that belong to the order Hemiptera. They are oval-shaped and usually have a brownish or black color. These bugs often cluster together on the stems and undersides of the leaves of monkey plants. If you notice small bumps or raised areas on your plant’s leaves, it may be a sign of an infestation.

Damage Caused by Crusader Bugs

Crusader bugs feed on the sap of the monkey plant, which can weaken the plant and hinder its growth. The most visible damage caused by these bugs is the presence of yellow or brown spots on the leaves. Over time, if left untreated, the leaves may start to wither and drop prematurely. Additionally, heavy infestations can lead to stunted growth and an overall decline in the health of the plant.

Getting Rid of Crusader Bugs

If you have identified a crusader bug infestation on your monkey plant, it is essential to take immediate action to prevent further damage. Here are some effective methods for getting rid of these pesky bugs:

1. Manual Removal

One of the simplest ways to eliminate crusader bugs is by manually removing them from your monkey plant. Carefully inspect all parts of the plant, including the stems, leaves, and undersides of the leaves. Use a soft brush or a cotton swab dipped in rubbing alcohol to gently wipe away the bugs. Be thorough in your inspection and repeat this process regularly to ensure all bugs are eliminated.

2. Pruning Infested Parts

If the infestation is severe and manual removal alone is not sufficient, consider pruning the heavily infested parts of the monkey plant. Use clean and sharp pruning shears to remove the affected stems and leaves. Dispose of the pruned parts in a sealed bag to prevent the bugs from spreading. Remember to disinfect your pruning tools before and after use to avoid transferring any pests or diseases.

3. Natural Predators

Introducing natural predators into your indoor garden can be an effective way to control crusader bugs. Ladybugs, lacewings, and predatory mites are known to feed on these pests. You can purchase these beneficial insects from local garden centers or online suppliers. Release them near the infested monkey plant and let them do their work. However, it is crucial to ensure that the environment is suitable for these predators to survive and thrive.

4. Insecticidal Soap

Insecticidal soap is a safe and effective option for controlling crusader bugs on monkey plants. This soap is formulated specifically to kill soft-bodied insects like scale insects and aphids while being gentle on the plant itself. Dilute the insecticidal soap according to the manufacturer’s instructions and spray it directly onto the affected areas of the monkey plant. Repeat this treatment every few days until the infestation is eradicated.

5. Neem Oil

Neem oil is another organic solution that can be used to eliminate crusader bugs. It contains compounds that disrupt the insect’s hormonal system, preventing them from reproducing and causing further damage to your monkey plant. Mix neem oil with water according to the instructions on the product label and apply it to the infested areas. Repeat the treatment every week or as necessary until the bugs are no longer present.

Prevention Tips

Preventing crusader bug infestations is always better than dealing with them after they have already taken hold. Here are some preventive measures you can take to keep your monkey plant healthy and pest-free:

  • Regularly inspect your monkey plant for any signs of pests or diseases.
  • Maintain a clean and hygienic environment for your indoor plants.
  • Avoid overwatering, as excessive moisture can attract pests.
  • Provide adequate air circulation around your monkey plant.
  • Quarantine new plants before introducing them to your existing collection.
  • Avoid using chemical pesticides unless absolutely necessary, as they can harm beneficial insects and the environment.

Conclusion

Dealing with crusader bugs on your monkey plant can be frustrating, but with the right methods, you can eliminate these pests and restore your plant’s health. Remember to identify and act on the infestation as soon as possible, using manual removal, pruning, natural predators, insecticidal soap, or neem oil. Additionally, implementing preventive measures will help keep your monkey plants and other indoor plants free from future pests. By taking care of your plants and being vigilant, you can enjoy a thriving and pest-free indoor garden.