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.

Life cycle:

Egg–7 days–> larva –11 days–> Pupa –5-10 days–> Adult

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.