Sugarcane root borer (Polycha/Emmalocera depressella, Pyralidae, Lepidioptera)

Damaging stage: Larva

Damaging symptoms: dead hear, don’t offensive smell, larva attack generally side tiller than main or mature side shoot.

Identification:

• Egg: single on upper and lower surface of
• Larva: creamy white with yellowish head
• Pupa: inside root,soil
• Adult: brown, 2 black spot on forewings.

Management:

• Egg parasitoid: Trichogramma chilonis
• Larval parasitoid: chelonus spp, stenbraccon seesae
• Pupal parasitoid: ichneumonidae
• Pheromone trap
• Chloropyrifos 20EC ,carbofuran (1.5 kg/ha)
• Neem seed kernel extract 10% extract.