Stem borer or clear winged moth: Melittia eurytion

Symptoms of damage:

• Larva bores into  the stem of snake gourd and produces galls

Symptoms

• Larva: White in colour
• Pupa: Pupation takes place in earthen cocoon in the soil
• Adult: Dark brown moth with transparent wings

• Collect and destroy the damaged plant parts with larvae
• Encourage activity of parasitoid: Apanteles spp.
• Spray any following insecticides
  • malathion 50 EC @ 500 ml
  • dimethoate 30 EC 500 ml
  • methyl demeton 25 EC @ 500 ml/ ha