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Most Common Monkey Plant Pests:
Identification and Treatment Guide

Updated: July 19, 2023

Introduction

Monkey plants, also known as monkey puzzle trees or Araucaria trees, are unique and beautiful additions to any garden or indoor space. However, like any other plant, they are susceptible to various pests that can damage their health and appearance.

In this article, we will explore some of the most common monkey plant pests, how to identify them, and the best treatment methods to keep your monkey plant thriving.

Spider Mites

Spider mites are tiny pests that belong to the arachnid family. They are often found on the undersides of leaves and can cause significant damage if left untreated. These pests feed on the sap of the monkey plant, resulting in yellowing leaves, webbing, and stunted growth.

To identify spider mites, look for fine webbing on the leaves and stems of your monkey plant. You may also notice small yellow or bronze spots on the affected leaves. To confirm their presence, gently tap an affected leaf over a white paper and check for tiny moving specks.

Treatment for spider mites involves a combination of physical and chemical methods. Start by spraying a strong jet of water on the affected plant to dislodge the mites. Follow up with an insecticidal soap or neem oil spray to kill any remaining pests. Repeat this process every few days until all signs of infestation disappear.

Scale Insects

Scale insects are another common pest that can infest monkey plants. These small, oval-shaped pests attach themselves to the stems and leaves of the plant, sucking out its sap. As a result, the affected areas may become yellow or brown, and the plant may experience stunted growth.

To identify scale insects, look for small bumps or shells on the leaves and stems of your monkey plant. These bumps may be brown, black, or white in color depending on the species. You may also notice sticky honeydew secretions on the plant or nearby surfaces.

Treatment for scale insects involves a two-step process. Firstly, gently scrape off the scales with a soft brush or cloth. Be careful not to damage the plant in the process. Secondly, apply a horticultural oil or insecticidal soap spray to suffocate any remaining pests. Repeat this treatment every few weeks until the infestation is under control.

Mealybugs

Mealybugs are soft-bodied insects that feed on the sap of monkey plants. They are covered in a white, cotton-like substance that serves as protection from predators and environmental factors. Mealybugs can cause yellowing leaves, stunted growth, and sooty mold if left untreated.

To identify mealybugs, look for white, cottony masses on the stems and leaves of your monkey plant. You may also notice sticky honeydew secretions and small black dots (fecal matter) on the affected areas.

Treatment for mealybugs involves a combination of physical and chemical methods. Start by using a cotton swab dipped in rubbing alcohol to remove individual mealybugs from the plant. For larger infestations, use an insecticidal soap or neem oil spray to kill the pests. Repeat these treatments every few days until all signs of infestation disappear.

Aphids

Aphids are small, soft-bodied insects that come in various colors, including green, black, yellow, and brown. They feed on the sap of monkey plants and can cause significant damage if left unchecked. Signs of aphid infestation include curled leaves, distorted growth, sticky honeydew secretions, and the presence of ants attracted to the honeydew.

To identify aphids, look for clusters of small insects on the undersides of leaves and along the stems of your monkey plant. You may also notice distorted growth or yellowing leaves in the affected areas.

Treatment for aphids involves a combination of physical and chemical methods. Start by spraying a strong jet of water on the affected plant to dislodge the aphids. Follow up with an insecticidal soap or neem oil spray to kill any remaining pests. Repeat this treatment every few days until the infestation is under control.

Conclusion

Keeping your monkey plants free from pests is essential for their overall health and appearance. By identifying and treating common pests such as spider mites, scale insects, mealybugs, and aphids, you can ensure that your monkey plant thrives in its environment.

Remember to regularly inspect your plants for signs of infestation, and take prompt action if you notice any pests. With proper care and attention, your monkey plant will continue to be a stunning addition to your garden or indoor space.