The survey on fruit fly infesting cucumber was in three different talukas of Banaskantha district showed that the infestation of fruit fly was found throughout the fruiting period. The fruit fly damage was first time noted after 2 nd fortnight of March in all talukas. The fruit fly damage was observed 8.00 to 9.66 per cent during the 2 nd fortnight of March in all talukas with highest fruit fly damage ( 9.66 %) in Palanpur taluka. In the 1 st fortnight of April, the lowest fruit fly damage was observed in Palanpur taluka which was 10.40 per cent and the highest fruit fly damage (10.96 %) in Dantiwada taluka. At 2 nd fortnight of April the fruit fly damage was 12.47 per cent in Deesa taluka, whereas it was 9.88 per cent in Dantiwada taluka. During the 1 st fortnight of May, the lowest (9.48 %) fruit fly damage was noted in Dantiwada taluka and the highest (12.66 %) fruit fly damage was observed in Deesa. The highest number of fruit fly emergence (16 fruit flies/5fruits) from Malgadh village of Deesa taluka and lowest number of fruit fly emergence (7 fruit flies/5 fruits) from Chandisar village of Palanpur taluka. During entire season the average fruit fly damage highest (8.75 %) was found in Deesa taluka, where a minimum damage (7.66 %) found in Dantiwada taluka.

to study the effect of new insecticides against mustard aphid, Lipaphis erysimi K. on mustard. Experiment was laid out in Randomized Block Design with nine treatments. The least aphid population was registered in plots treated with seed treatement with imidacloprid 600 FS @ 5 ml/kg seed + spray of flonicamid 50 WG @ 2.0 g/10 liter of water (0.01%) during two years.