Cyclamen Mites
Phytonemus pallidus
📖 Description
Cyclamen mites are among the most damaging pests of greenhouse and indoor plants, causing severe distortion and deformity in growing tips, leaves, and flowers. They are virtually impossible to see without magnification, so their damage is often attributed to viral diseases, herbicide injury, or cultural problems. The mites feed in the protection of curled new growth, where they are shielded from sprays and predators. Once established in a plant collection, they are extremely difficult to eradicate. The mites spread through contact between plants, on tools, and even on clothing and hands. Heat treatment can be effective but must be done carefully to avoid damaging the plant.
⚠️ Symptoms to watch for
- Severely curled, distorted, and hardened new leaves,Flowers deformed, stunted, or failing to open,Leaf buds appearing swollen and rosette-like,Center growth appearing tight and bunched,Leaf surfaces appearing roughened or blistered,Stunted overall growth and reduced flowering
🩹 Treatment
- Remove and destroy all severely affected plant parts (organic),Isolate infested plants immediately to prevent spread (organic),Submerge entire plant in 110°F water for 15 minutes (organic),Apply insecticidal soap to new growth (organic),Discard heavily infested plants to protect others (organic),Use abamectin-based miticide (chemical)
🌿 Organic treatments
- Remove and destroy all severely affected plant parts,Isolate infested plants immediately to prevent spread,Submerge entire plant in 110°F water for 15 minutes,Apply insecticidal soap to new growth,Discard heavily infested plants to protect others
🧪 Chemical treatments
- Use abamectin-based miticide
🛡️ Prevention
- Quarantine all new plants for at least 3 weeks,Inspect growing tips and flower buds with magnification regularly,Avoid taking cuttings from infested plants,Maintain good air circulation around plants,Do not crowd plants together,Clean tools and hands between handling plants
🪴 Affected plants
- Cyclamen,African Violets,Strawberries,Begonias,Chrysanthemums,Impatiens,Fuchsias
🦋 Natural predators
- Predatory Mites,Minute Pirate Bugs
🌱 Host plants
- Cyclamen spp.,Strawberries,African Violets
🔄 Lifecycle
- Females lay 12-16 eggs in folded leaves or flower buds over 1-2 weeks.
- Eggs hatch in 3-7 days.
- Larvae pass through a resting stage and then become adults in 5-10 days.
- The entire lifecycle takes 10-21 days.
- Reproduction is continuous in warm indoor conditions.
- Males carry female pupae to new feeding sites.
- Populations build rapidly in protected growing tips.
📅 Season
- Year-round indoors, Spring-Fall outdoors
🔎 Appearance
- Microscopic, translucent mites invisible to the naked eye.
- Only detectable by damage symptoms.
- Feed in curled, distorted new growth where they are protected from sprays and predators.
💥 Damage level
- Moderate
🔁 Reproduction rate
- Fast
🗺️ Geographic regions
- North America
- Europe
- Asia
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