Abstract: 【Aim】 Aromia bungii Faldermann is a main wood borer of peach， apricot， plum and cherry in China. Dastarcus helophoroides (Fairmaire) is an important insect natural enemy of large-body longhorned beetles and has six different host-originated populations by now. This study aims to screen a suitable D. helophoroides population to control A. bungii. 【Methods】  The behavioral responses of adults of different populations of D. helophoroides to larval frass of A. bungii were assayed with Y-tube olfactometer. The control effects of different populations of D. helophoroides on A. bungii populations in the peach logs were also tested by releasing parasitoid adults under the semi-field conditions. 【Results】  D. helophoroides populations originated from Batocera horsfieldi and Monochamus alternatus were significantly attracted to larval frass of A. bungii， but other populations of D. helophoroides were not attracted to larval frass of A. bungii. Consecutive observation of the control effects in two years showed that D. helophoroides population originated from Anoplophora glabripennis caused the highest mortality of A. bungii (52.86%±5.97%). D. helophoroides populations originated from M. alternatus， B. horsfieldi， Massicus raddei， Apriona swainsoni caused the mortality rates of A. bungii of 35.14%±5.55%， 32.88%±5.50%， 26.09%±5.29% and 10.94%±3.90%， respectively. D. helophoroides population originated from Anoplophora chinensis did not cause higher mortality of A. bungii individuals than the control. 【Conclusion】 Based on the results it is suggested that three D. helophoroides populations originated from M. alternatus， B. horsfieldi and A. glabripennis could be chosen as the biological control agents of A. bungii.

Key words: Aromia bungii, Dastarcus helophoroides, insect natural enemy, behavioral response, Y-tube olfactometer