Lilium OT Theo Fine Webbing - Causes & Fixes

Jump to cause: Two-Spotted Spider Mite Infestation Tetranychus urticae (European Red Spider Mite) outbreak Thrips Infestation

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Two-Spotted Spider Mite Infestation

Spider mites thrive in the warm, dry conditions often experienced by Oriental Lilies. They pierce the plant cells to feed on the sap, creating characteristic fine silk webbing around the leaves and buds.

Very Common

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How to confirm: Hold a white piece of paper underneath a leaf and tap it sharply to see if tiny crawling specks fall onto the paper.

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shopping_cart Recommended Products

1 Apply an organic miticide to eliminate the spider mite population and destroy eggs, larvae, and adults.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Increase humidity around the lily to create an environment that is less hospitable to spider mites.

Flora Premium Plant Mister

Spray Bottles

$12

In Stock

3 Monitor soil moisture levels to ensure the plant is not suffering from drought stress, which can exacerbate mite infestations.

GROWIT Soil Moisture Meter SMM-V3

Water Meters

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Tetranychus urticae (European Red Spider Mite) outbreak

In high humidity or during heatwaves, these mites can rapidly colonize Lilium OT hybrids. The webbing acts as a protective microclimate for the mite colonies to reproduce.

Very Common

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How to confirm: Inspect the undersides of the lily leaves for tiny yellow stippling patterns beneath the web structure.

build How to fix it

shopping_cart Recommended Products

1 Immediately spray the lily leaves, especially the undersides, with an organic miticide to kill existing mites and larvae.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Use a soft, damp cloth to gently wipe away the fine webbing and any visible mite colonies from the foliage.

3 Increase local humidity and monitor soil moisture to ensure the environment is less conducive to mite outbreaks.

Flora Premium Plant Mister

Spray Bottles

$12

In Stock

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Thrips Infestation

While thrips are more known for scarring, heavy infestations in lilies can sometimes be accompanied by secondary silken strands or debris that mimic fine webbing. They feed on the delicate tissue of the Theo lily petals and leaves.

Common

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How to confirm: Look for small, dark fecal spots (frass) on the lily petals alongside the webbing.

build How to fix it

shopping_cart Recommended Products

1 Apply an organic insecticide to eliminate the thrips and prevent further feeding on the lily petals and leaves.

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 thrips and monitor the population levels to prevent a secondary outbreak.