Tomato leaf miner(Tuta absoluta, Gelichiidae,Lepidioptera )
- Most destructive pest of tomato.
Damaging stage : larva
Damaging syptoms : mining of leaves, puncture marks, abnormal shape, exist hole , frass.
Identification
- Egg : creamy white to yellow, single , underside of leaf.
- Larva : creamcolor , dark stripes on
- Pupa : soil,leaves , some times in stem,brown .
- Adult: silverish greay scales, black spot on anterior wings.
Â
Life cycle:
Egg–7 days–> larva –11 days–> Pupa –5-10 days–> Adult
Â
Management
- Predator : mired bug
- Egg parasitoid : Trichogramma chilonis
- Larval parasitoid : Apenteles
- Bacteria : Bt var kurstaki
- Nematode : steinernema carpocapsae, steinernema feltidae, Heterohabditis
- Pheromone trap: Tuta lure , water trap( container water and lure secure above the water with wire attached), sticky trap( pheromone incorporate into the sticky glue).
- Spinosin , indoxacarb, abamectin, emamectin benzoate and cyromazin.