Management of fruit fly in bitter gourd crop

The maggot burrows into the fruits and remains inside and feed. Infected fruits decay and drop.
The fly mainly prefers tender fruits for egg-laying. Ovipositional punctures caused by adults’ wounds fruits making the fruit juices ooze out.
Grown fruits infested with Fruit fly should be collected and destroyed.
Maize plants grown in rows at a distance of 8-10 cm in the field is effective as flies rest on such tall plants.
During the summer, deep plowing of the soil helps to destroy hibernated flies.
For effective control of pests, use a light trap, Pheromone trap.
To control this, spray Fenpropathrin 10% EC @ 400 ml/acre or Profenofos 40% + Cypermethrin 4% EC @ 400 ml/acre or Spinosid 45% SC @ 60 ml/acre.
As a biological treatment. Use Bavaria Basiana @ 250 gram/acre