Insects
Cotton bollworm colony presents in Department of plant protection,
university of Tabriz was used for establishing colony of insects. Larvae
were laboratory reared on artificial diet based on cowpea according to
the method of Shorey and Hale (1965) with minor modifications,
under controlled condition of 26 ± 2 °C and 60 ± 5% relative humidity
and a photoperiod of 16:8 h (LD). First to fourth larval instars were mass
reared on the artificial diet, whereas fourth to sixth instars reared individually.
The adults were fed with 10% sugar solution.