questions: asing for control of caterpillars in bottlegourd. 
 answers: application of nuvan @ 2 ml/lit. for three times at an interval of 5 days along with combination with fish oil resin soap 25 g/lit. as spray or dipping the fruits for two times.single soil application of phorate 10 g @ 50 g per tree around the base at the time of pruning is essential