Fragaria x ananassa Fine Webbing - Causes & Fixes

Jump to cause: Two-Spotted Spider Mite (Tetranychus urticae) Strawberry Mite (Phytoseiulus persimilis/Aculid) High Humidity and Fungal Mycelium

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Two-Spotted Spider Mite (Tetranychus urticae)

These microscopic arachnids thrive in warm, dry conditions and feed on the underside of strawberry leaves, injecting toxins that cause stippling. The fine webbing is a characteristic silk structure they create for protection and movement.

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 dark specks begin to crawl.

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1 Immediately spray the plant with an organic miticide or insecticide to eliminate the spider mite population and destroy their protective webbing.

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2 Increase humidity around the strawberry plants and ensure they are well-watered, as spider mites thrive in hot, dry environments.

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3 Prune and dispose of heavily infested or dead leaves to prevent the mites from spreading to healthy parts of the plant.

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Strawberry Mite (Phytoseiulus persimilis/Aculid)

While some mites are predatory, certain mite species can cause structural webbing and leaf damage in strawberry crops. They often colonize the dense foliage of Fragaria x ananassa during periods of low humidity.

Common

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How to confirm: Inspect the undersides of older leaves for tiny, moving dots that are much smaller than spider mites.

build How to fix it

shopping_cart Recommended Products

1 Apply an organic miticide to eliminate the mite population and destroy any remaining eggs or larvae.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Increase ambient humidity around the strawberry plants to make the environment less hospitable for mite colonization.

3 Prune and dispose of heavily infested leaves to prevent the webbing from spreading to healthy parts of the plant.

Fiskars 5/8" Bypass Pruning Shears

Cutting Tools

$13

In Stock

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High Humidity and Fungal Mycelium

In cases of extreme humidity without airflow, certain fungal species can produce a fine, web-like mycelial growth that mimics mite webbing. This is often accompanied by localized leaf discoloration or soft rot.

Common

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How to confirm: Check if the 'webbing' disappears when you wipe it with a damp cloth, as fungal mycelium usually dissolves or smears.

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shopping_cart Recommended Products

1 Improve airflow around the strawberry plants by pruning crowded foliage and spacing plants to reduce stagnant, humid air.

2 Apply an organic fungicide to treat the fungal mycelium and prevent the spread of soft rot.