Cabbage borer ( Hellula undalis, pyralidae, Lepidioptera )

Damaging satge : larva

Damaging symptoms: abort head formation, multiple shoot or head.

Identification

• Egg : oval shaped, single or cluster, underside of leaf, white when laying which turn pink next to brown.
• Larva: Whitish brown in color, 4-5 purplish brown longitudinal strips.
• Pupa: pupation on plant debris,leaf.
• Adult : forewinngs are gray wavy line, apical sopt, dark moon Hindwings are white and dark lineon apical region.

Management:

• Larval parsitoid : Apenteles crocidolmiae, microbracon
• Cypermethrin 20EC or deltamethrin 28EC, 250 ml/l.
• Spinosad 40 sc 125ml/l.
• Azadiractin 03% 2.5-5 l/ha.