Tarsonemid Mites
Overview
Tarsonemid mites are a group of microscopic mites associated with distorted growth and hidden crop damage.
Important tarsonemid pests include: - broad mite - cyclamen mite
They are especially important in: - peppers - ornamentals - strawberries - protected crops
Symptoms
Typical symptoms include:
- distorted leaves
- hardened growth
- twisted growing points
- brittle tissue
- stunted plants
- bronzing
Symptoms are often confused with: - nutrient deficiency - herbicide damage - virus symptoms - environmental stress
Conditions favouring tarsonemid mites
| Condition | Risk |
|---|---|
| Warm protected crops | High |
| Dense canopy | High |
| Poor inspections | High |
| Carryover crops | Moderate–High |
Monitoring
Inspect: - young growth - distorted leaves - flower clusters - folded tissue - growing points
Magnification is usually required.
Important related species
Commonly affected crops
Key message
Tarsonemid mite problems are often misdiagnosed because symptoms resemble physiological or nutritional disorders.