Sedum rubrotinctum Fine Webbing
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Sedum rubrotinctum – Fine Webbing

Why does your Sedum rubrotinctum have fine webbing? Diagnose the cause and fix it with our step-by-step guide.

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Two-Spotted Spider Mite Infestation

This is the most common cause of fine webbing on succulents like Sedum rubrotinctum. These tiny arachnids pierce the fleshy leaves to suck out chlorophyll, leaving behind characteristic stippling and silk webs around leaf junctions.

Very Common
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How to confirm: Hold a white piece of paper under a stem and tap it sharply to see if tiny crawling dots fall off.
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1 Isolate the plant immediately to prevent the spider mites from spreading to other succulents in your collection.
2 Apply an organic insecticide spray to the plant, ensuring you coat the undersides of the leaves and all leaf junctions where webbing is present.
3 Increase humidity around the plant and ensure good airflow, as spider mites thrive in hot, dry environments.
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Tetranychus urticae (European Red Spider Mite)

Under hot, dry conditions common for Jelly Bean plants, these mites thrive and produce dense webbing to protect their eggs. The webbing often covers the entire plant as the colony grows.

Very Common
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How to confirm: Inspect the undersides of the plump leaves for small, reddish or yellowish moving specks.
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1 Isolate the plant immediately and spray the foliage thoroughly with an organic miticide to kill mites and remove webbing.
2 Increase humidity and reduce heat by misting the plant or using a pebble tray to create a less hospitable environment for spider mites.
3 Monitor soil moisture levels to ensure the plant is not overly dry, as drought stress can trigger mite outbreaks.
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Extreme Low Humidity/Desiccation

While not producing true silk, extremely dry environments can cause fine, thread-like fungal hyphae or dried organic debris to cling to the plant's surface, mimicking a webbed appearance.

Common
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How to confirm: Check if the leaves are becoming excessively wrinkled and if the surrounding air is significantly below 30% humidity.
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1 Inspect the plant closely for moving pests like spider mites; if actual insects are present, treat the foliage with an organic insecticide spray.
2 Increase local humidity around the plant by using a pebble tray or a fine misting tool to prevent further desiccation.
3 Monitor soil moisture levels to ensure the plant is not being overwatered, which can sometimes lead to secondary fungal growth in dry environments.

Other Sedum rubrotinctum problems

Your plant might also be experiencing one of these issues:

local_hospital All symptoms eco All plants with fine webbing
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