White Cabbage TCA 520 F1 Fine Webbing - Causes & Fixes

Jump to cause: Two-Spotted Spider Mite Infestation Fall Webworm (Trichodesma*) Infestation Diamondback Moth Larvae

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Two-Spotted Spider Mite Infestation

These microscopic arachnids feed on the undersides of cabbage leaves, injecting toxins that cause stippling and create characteristic fine silken webbing to protect themselves and their eggs.

Very Common

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

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shopping_cart Recommended Products

1 Apply an organic miticide/insecticide spray to the undersides of the leaves to eliminate the spider mites and their eggs.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Use yellow sticky traps to capture adult mites and monitor for any remaining flying pests in the area.

Super Ninja Fungus Gnat Traps - 30 Pack

30 pcs

$7

In Stock

3 Increase humidity around the cabbage plants and ensure proper airflow to make the environment less hospitable for spider mites.

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Fall Webworm (Trichodesma*) Infestation

The larvae of these moths spin dense, silken webs around cabbage foliage and terminal buds to create a protective habitat while they feed on the plant tissue.

Common

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How to confirm: Inspect the centers of the leaf clusters for small green caterpillars moving within the webbing.

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shopping_cart Recommended Products

1 Manually remove visible webbing and larvae from the cabbage leaves to reduce the immediate population.

2 Apply an organic insecticide spray to eliminate remaining larvae and eggs; Bonide Captain Jack's Neem Oil is effective for controlling various pests and larvae.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

3 Monitor the plant closely using a moisture meter to ensure the plant remains hydrated, as pest stress can increase water needs.

GROWIT Soil Moisture Meter SMM-V3

Water Meters

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Diamondback Moth Larvae

While primarily known for 'windowpane' feeding, heavy infestations can lead to increased silk production and webbing as larvae congregate around feeding sites on the leaves.

Common

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How to confirm: Look for small, irregular holes in the cabbage leaves accompanied by dark fecal matter (frass) inside the webs.

build How to fix it

shopping_cart Recommended Products

1 Apply an organic insecticide to eliminate the larvae and disrupt their life cycle.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Manually remove any visible larvae or heavy webbing from the cabbage leaves to reduce the immediate infestation.

3 Monitor soil moisture levels to ensure the plant remains strong enough to recover from feeding damage.