Field experiments were carried out at the Main Agricultural Research Station, UAS, Dharwad, Karnataka, India to assess the effects of trap crops against chilli pests. Among the different trap crops, population of sucking pests and leaf curl index was least in tomato and brinjal trap cropping systems respectively. Whereas, significantly least larval population and fruit borer damage was recorded in chilli trap cropped with marigold. Significantly highest sucking pest population, leaf curl index, larval population of H. armigera and fruit damage was registered in sole chilli crop during both the years. Maximum dry chilli yield of 3.60 q/ha was obtained in chilli trap cropped with marigold with highest net return (` 17,729/-) followed by chilli trap cropped with tomato (3.29 q/ha), whereas minimum dry chilli yield was registered in sole chilli crop (1.69 q/ha) with net return of ` 2,511/- (C:B ratio of 1:1.22). The pooled data on the activity of predators, suggested that coccinellid and chrysopids were found in large numbers in plots having trap crops. Chilli trap cropped with tomato, marigold and cotton supported good activity of the predators, while, lowest population was recorded in chilli trap cropped with groundnut and cowpea. By considering different parameters, the treatments viz., marigold, tomato and cotton were found to be promising trap crops against chilli pests.