“…Recent outbreaks of M. separata have been observed in several regions of China, especially Jilin, Hebei, Heilongjiang, Liaoning, and Shanxi, and this organism poses a severe threat to corn production ( Yun et al, 2017 ). In an attempt to restrict crop damage by M. separata , high doses of synthetic insecticides are often applied ( Liu Y. et al, 2016 ), but this causes serious environmental problems and cropland deterioration, stimulates insect resistance, and has a negative impact on non-target organisms ( Younas et al, 2016 ). Population outbreaks of M. separata present a great challenge in terms of protecting crops worldwide ( Liu et al, 2017 ).…”