Minadores
Minelayer
Liriomyza Spp.
Pathogen:
Insect
Type:
Risk to the plant:
INTERMEDIATE
DESCRIPTION
WHO CAUSES IT?
Liriomyza spp., known as leafminer, is a genus of flies in the family Agromyzidae. They are small flies whose larvae mine the leaf tissue of host plants, including tomatoes. The life cycle of Liriomyza spp. It consists of four stages: egg, larva, pupa and adult. Adult females lay their eggs inside the leaf tissue of the plants. The larvae emerge from the eggs and feed on the internal tissue of the leaves, forming characteristic tunnels called mines. In the pupal stage, the larvae transform into adults inside the leaves and emerge to begin the cycle again.
SYMPTOMS
The disease caused by Liriomyza spp. In tomatoes it is mainly manifested by the formation of mines on the leaves. General symptoms include the presence of small yellow or white Taches on the leaves and the formation of tunnels or mines in the leaf tissue. The main symptoms are:
- Formation of mines on the leaves.
- Presence of yellow or white Taches on the leaves.
- Damage to leaf tissue, which can affect photosynthesis and plant growth.
TEMPERATURE AND HUMIDITY
20°C - 30°C
60% - 80%
HOW IS IT SPREAD?
Direct contact, Wind, Mechanical transmission
HOW TO REMOVE IT?
Home remedies
There are no home treatments
Chemical treatments
• ABAMECTIN 0.0015% + PYRETHRINS 0.02% [AL] P/V
• ABAMECTIN 1.8% [EC] P/V
• AZADIRACTIN 1% (AS AZADIRACTIN A) [EC] P/V
• Azadirachtin 2.6% (AS AZADIRACTIN A) [EC] P/V
• CYANTRANILIPROL 10% + ACIBENZOLAR-S-METHYL 1.25% [SC] P/V
• CYANTRANILIPROL 20% [SC] P/V
• DELTAMETHRIN 2.5% [EC] P/V
• DELTAMETHRIN 2.5% [EW] P/V
• ADHESIVE TRAPS
Authorized treatments in organic farming
• AZADIRACTIN 1% (AS AZADIRACTIN A) [EC] P/V
• Azadirachtin 2.6% (AS AZADIRACTIN A) [EC] P/V
• ADHESIVE TRAPS
Insect allies
PREDATORY MITES
LADYBUGS
LACEWINGS
PARASITIC WASPS
HOVERFLIES OR PARASITIC FLIES
PREDATORY BUGS
There are no natural allies
Mycodiplosis oidii (predatory mosquito)
EFFECTIVE PRODUCTS TO ELIMINATE THIS DISEASE
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- Use anti-insect meshes in greenhouses and protected cultivation structures.
- Use chromatic traps to monitor the presence of adults of Liriomyza spp.
- Carry out pruning and elimination of affected leaves to reduce the larvae population.
- Apply specific phytosanitary treatments when necessary, following the recommendations for use and respecting the withdrawal periods.
- Implement cultural practices that improve ventilation and reduce humidity in the crop.
Recommendations
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