Insect Pests of Fruit, Plantation, Medicinal & Aromatic Crops (2+1)

2. Leaf webber - Perina nuda Fab. (Lymantriidae: Lepidoptera)

Damage

• The caterpillars infest the leaves cause defoliation.
Bionomics

• The adult moth is dimorphic; female with brownish white wings; male with half brownish and half wings.
• The female lays eggs in clusters or rows on the leaves.
• The eggs are pink in colour, cylindrical, round and 0.7 mm long.
• The larval period is 16-20 days. The pupal period last for 5-9 days.
• The total life cycle is completed in 27-39 days.
Management

• Hand pick and destruct the larva in the initial stage of attack.
• Spray monocrotophos 36 WSC 1.5 1.25mllitre or chloropyriphos 20 EC 2.5 ml / litre of water.