Anthurium andraeanum Missouri Fine Webbing - Causes & Fixes

Jump to cause: Two-Spotted Spider Mite Infestation Broad Mites Low Humidity causing physiological stress

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Two-Spotted Spider Mite Infestation

Spider mites thrive in the warm, dry conditions often found around Anthurium plants. They pierce plant cells to feed on sap, leaving behind fine silk webbing and causing stippling (small yellow dots) on the leaves.

Very Common

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How to confirm: Hold a white piece of paper under a leaf and tap it sharply to see if tiny moving dots fall onto the paper.

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1 Immediately spray the plant with an organic insecticide/miticide to kill existing mites and larvae.

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2 Wipe the leaves with a damp cloth to physically remove webbing and any remaining mites from the plant surface.

3 Increase local humidity to discourage future mite outbreaks, as they thrive in dry environments.

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Broad Mites

While they do not produce large webs, broad mites can cause structural distortions and fine, silken appearances on new growth in Anthuriums. They primarily attack the tender, developing parts of the plant.

Common

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How to confirm: Inspect the newest, youngest leaves for puckering, curling, or stunted growth patterns.

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1 Apply an organic insecticide spray to the plant, ensuring you coat the undersides of leaves and all new, tender growth to eliminate mites.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Prune and dispose of any heavily distorted or stunted new growth to prevent the mites from spreading to healthy parts of the plant.

3 Increase humidity around the plant using a fine misting tool to create a less favorable environment for mite activity.

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Low Humidity causing physiological stress

Extremely low humidity can cause Anthurium leaf margins to dry out and create a fine, dust-like appearance or micro-cracking that may be mistaken for webbing. This species requires high ambient humidity to maintain leaf integrity.

Common

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How to confirm: Use a hygrometer to check if your environment is consistently below 50% humidity.

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1 Increase ambient humidity around the plant to at least 60-70% to prevent leaf margin desiccation.

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2 Place the plant on a pebble tray or use a humidifier to maintain a moist microclimate.