Minadores
Minelayer
Liriomyza Spp.
Pathogen:
Insect
Type:
Risk to the plant:
HIGH
DESCRIPTION
WHO CAUSES IT?
Liriomyza spp., commonly known as the leafminer, is a genus of flies in the family Agromyzidae. These insects have a relatively short life cycle and go through four main stages: egg, larva, pupa and adult. Adult females deposit their eggs inside the leaves of host plants using their ovipositor. Once they hatch, the larvae feed on leaf tissue, creating characteristic mines that are visible on the surface of the leaves. After completing their development, the larvae emerge from the leaves and transform into pupae, from which adults emerge. This life cycle can be repeated several times throughout a growing season, depending on environmental conditions and host availability.
SYMPTOMS
The leaf miner causes significant damage to lettuce plants by feeding on leaf tissue. General symptoms include the presence of serpentine mines or galleries on the leaves, which are produced by the larvae while feeding. This can weaken plants and reduce their ability to photosynthesize, resulting in lower yield and crop quality.
- Meandering mines or galleries in the leaves.
- Discoloration and necrosis around the mines.
- Reduction in plant growth and vigor.
- Loss of quality of the affected leaves.
TEMPERATURE AND HUMIDITY
18-25°C
60-80%
HOW IS IT SPREAD?
Wind, passive transport, movement of infested plants, direct contact between plants
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
Sponsored link
Sponsored link
Sponsored link
Sponsored link
Sponsored link
Sponsored link
Sponsored link
Effective against all types of fungi
Sponsored link
Sponsored link
Sponsored link
Sponsored link
Sponsored link
- Use anti-insect mesh to prevent adult leafminers from entering crops.
- Employ integrated pest management practices, such as the introduction of natural enemies such as parasitoids and leafminer predators.
- Remove and destroy affected leaves to reduce the larvae population.
- Apply specific insecticide treatments when necessary, prioritizing those with low environmental impact and selectivity towards natural enemies.
- Rotate crops to interrupt the life cycle of the leafminer and reduce pest pressure.
- Maintain regular monitoring of crops to detect the early presence of leafminers and take preventive or control measures in a timely manner.
Recommendations
Enjoy idMicrobe TOTALLY FREE, with no trial periods.
