questions: query regarding fruit fly in bitter gourd and turai. 
 answers: dor chilli, tita kerala and turai: spray malathion 2 ml/liter of water 3 times at 5 days interval in the evening in absence of rain. after that spray one vitamin like- mohaphol 2 ml/liter of water @ 15 days interval up to the end of the season in the evening time in the absence of rain.