*1.1.1.5 Host plant resistance*

Host plant resistance is an important element in IPM programs It is an important component in IPM programs. It does not cause any negative impact to the environment. The success in developing high yielding and melon fruit fly-resistant varieties is limited. By using wide hybridization technique the resistance genes from the wild relatives can be transferred in the cultivated genotypes of cucurbits [4]. Some resistant genotypes are IHR 89, Hisar II for bitter gourd, Arka Suryamukhi, IHR 35 for pumpkin, NB29 and Pusa smooth purple long for bottle gourd, Arka Tinda for round melon, *Cucumis callosus* for Wild melon, NS14 for sponge gourd and NR2, NR5, NR7 for ridge gourd.

### *1.1.1.6 Botanicals*

The adult longevity reduced from 119.2 to 26.6 days by continuous feeding with extract of *Acorus calamus* (0.15%) mixed with sugar (at 1 mL/g sugar) [18]. Neem oil (1.2%) and neem cake (4%) are found to be effecting in fruit fly management [19].
