Most Common Red Anthurium Plant Pests:
Identification and Treatment Guide

Anthurium plants, with their vibrant red flowers and glossy green leaves, are a popular choice for indoor and outdoor gardens. However, like any other plant, they can be susceptible to pests that can damage their health and appearance. In this article, we will discuss the most common pests that afflict red Anthurium plants, how to identify them, and the best treatment options to keep your plants healthy and thriving.

Aphids

Aphids are tiny insects that feed on the sap of plants, including red Anthuriums. They are often found in clusters on the undersides of leaves or near new growth. Aphids can cause stunted growth, yellowing leaves, and distorted flowers.

Identification: Look for clusters of small green, yellow, or black insects on the leaves and stems of your Anthurium plant. You may also notice sticky residue on the leaves, known as honeydew, which is a byproduct of aphid feeding.

Treatment: To control aphids, you can try spraying your plant with a strong stream of water to dislodge them. Alternatively, you can use insecticidal soap or neem oil spray to kill aphids. Repeat the treatment every few days until the infestation is under control.

Spider Mites

Spider mites are another common pest that affects Anthurium plants. These tiny arachnids suck the sap from leaves, causing yellowing and bronzing of foliage. Infested leaves may also have fine webbing on the undersides.

Identification: Look for stippling or tiny yellow spots on the upper surface of Anthurium leaves. You may also see webbing on the lower leaf surface or near new growth.

Treatment: Spider mites thrive in dry conditions, so increasing humidity around your Anthurium plant can help control them. Regularly misting the leaves or placing a tray of water nearby can create a more humid environment. Additionally, you can use insecticidal soap or neem oil spray to kill spider mites. Repeat the treatment every few days until the infestation is eliminated.

Mealybugs

Mealybugs are small, soft-bodied insects covered in a powdery white wax. They feed on plant sap and can cause yellowing, stunted growth, and distorted leaves. Mealybugs are often found in protected areas of the plant, such as leaf axils or under the rim of pots.

Identification: Look for white cottony masses on your Anthurium plant, especially near new growth. Mealybugs can also leave behind sticky honeydew and black mold.

Treatment: Removing mealybugs can be challenging due to their protective wax coating. Start by physically removing them with a cotton swab dipped in rubbing alcohol. You can also use insecticidal soap or neem oil spray to kill the pests. Repeat the treatment every few days until the infestation is eradicated.

Scale Insects

Scale insects are small, immobile pests that attach themselves to the stems and leaves of plants. They have a hard shell-like covering that protects them from predators and insecticides. Infested plants may have yellowing leaves, stunted growth, and a sticky residue on the foliage.

Identification: Look for small bumps or shells on the stems and leaves of your Anthurium plant. These bumps can vary in color from brown to black, depending on the species.

Treatment: Scale insects are difficult to control due to their protective shell. Start by physically removing them with a cotton swab dipped in rubbing alcohol. You can also use horticultural oil or insecticidal soap to suffocate and kill scale insects. Repeat the treatment every few weeks until the infestation is under control.

Fungus Gnats

Fungus gnats are small, dark-colored flies that are attracted to moist soil. While adult gnats do not harm plants, their larvae feed on the roots, causing stunted growth and yellowing leaves. Overwatered Anthurium plants are particularly susceptible to fungus gnat infestations.

Identification: Look for small black flies hovering around your Anthurium plant or resting on the soil surface. You may also notice tiny white larvae in the soil.

Treatment: To control fungus gnats, allow the soil to dry out between waterings to discourage their breeding. You can also use yellow sticky traps to catch adult gnats. If the infestation is severe, consider using Bacillus thuringiensis var. Israelensis (BTI) granules in the soil to kill the larvae.

Conclusion

Keeping your red Anthurium plants free from pests is essential for their overall health and beauty. Regularly inspect your plants for signs of infestation, and take immediate action if you notice any pests. By correctly identifying the pests and using appropriate treatment methods, you can ensure that your Anthurium plants thrive and continue to bring joy with their vibrant red blooms.