Viola cornuta Persian Pink STV179 Fine Webbing - Causes & Fixes

Jump to cause: Two-Spotted Spider Mites (Tetranychus urticae) Cyclamen Mites (Bre Pseudoglomeris) High Humidity with Stagnant Air

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Two-Spotted Spider Mites (Tetranychus urticae)

These microscopic arachnids thrive in the warm, dry conditions often experienced by Viola species. They pierce plant cells to feed on sap, leaving behind fine silken webbing as they migrate across the leaves.

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 off.

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1 Apply an organic miticide/insecticide spray to the plant to eliminate existing spider mites and their eggs.

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2 Increase humidity around the plant and ensure the soil remains moist, as spider mites thrive in dry environments.

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3 Gently wipe the leaves with a damp cloth to physically remove webbing and any remaining mites from the foliage.

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Cyclamen Mites (Bre Pseudoglomeris)

While more common in Cyclamen, these mites can affect violets and create fine webbing or distorted growth patterns. They tend to inhabit the leaf axils and the undersides of the foliage.

Common

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How to confirm: Examine the junctions where leaves meet the stem for concentrated clusters of tiny moving dots.

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1 Thoroughly inspect the undersides of leaves and leaf axils for mites, and wipe the foliage with a damp cloth to physically remove as many pests as possible.

2 Apply an organic miticide/insecticide spray to the plant, ensuring complete coverage of the leaf undersides and crevices to eliminate the mite population.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

3 Isolate the affected Viola from other houseplants to prevent the mites from spreading via the fine webbing.

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High Humidity with Stagnant Air

While not a pest, extremely high humidity combined with poor airflow can sometimes cause fungal hyphae to appear as fine, thread-like structures that mimic spider mite webbing.

Common

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How to confirm: Check if the 'webbing' disappears when you wipe it with a damp cloth or if it persists as part of the leaf structure.

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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 location with better airflow to prevent fungal growth.

2 Reduce humidity levels by avoiding overwatering and ensuring the plant is not in a stagnant, enclosed space.

3 Monitor the soil moisture levels closely to ensure the medium is not staying too wet, which can exacerbate fungal issues.