Echeveria runyonii Fine Webbing - Causes & Fixes

Jump to cause: Two-Spotted Spider Mite Infestation Tetranychus urticae (Common Red Spider Mite) High Humidity/Microclimate Mold

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Two-Spotted Spider Mite Infestation

Spider mites thrive in the warm, dry conditions common for Echeveria. They pierce the succulent cells to suck out nutrients, leaving behind fine silk webbing and stippled, pale spots on the fleshy 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 crawling specks fall onto the paper.

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1 Isolate the plant immediately to prevent the mites from spreading to other succulents and spray the foliage thoroughly with an organic miticide.

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2 Increase humidity around the plant and avoid dry, warm air, as spider mites thrive in arid environments.

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3 Gently wipe the leaves with a damp cloth to physically remove webbing and any remaining mite eggs.

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Tetranychus urticae (Common Red Spider Mite)

This specific mite species is highly prevalent in indoor succulent collections. The webbing often becomes denser around the leaf axils and base of the rosette as the population grows.

Very Common

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How to confirm: Inspect the undersides of the lower leaves for tiny red or orange moving dots.

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shopping_cart Recommended Products

1 Isolate the plant immediately to prevent the mites from spreading to your other succulents.

2 Apply an organic miticide spray to the plant, ensuring you coat the undersides of leaves and the leaf axils where webbing is densest.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

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3 Gently wipe the leaves with a damp cloth to physically remove webbing and mite populations, then monitor with yellow sticky traps.

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High Humidity/Microclimate Mold

While less likely to produce true 'webbing,' extremely high humidity in stagnant air can create a fine, white fungal mycelium that mimics the appearance of spider webs on organic matter.

Common

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How to confirm: Check if the 'webbing' is actually fuzzy or filamentous and if it disappears when the surface area dries out.

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shopping_cart Recommended Products

1 Improve air circulation around the plant by using a small fan or moving it to a less stagnant area to prevent fungal growth.

2 Apply an organic fungicide to eliminate the fungal mycelium and protect the plant from further mold development.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

3 Reduce watering frequency and ensure the soil surface dries out between waterings to lower the local humidity.