Levels of Cry1Ab in Mycalesis gotama continuously feeding on KMD1 or on Xushui 11 control rice after feeding on KMD1 for two days declined with time, but more dramatically than those of SSB. High levels of Cry1Ab were detected in faeces of both C.

• 稻眼蝶Mycalesisgotama幼虫连续取食KMD1或在KMD1上取食两天后移至秀水 11上继续取食不同时间 ,体内的Cry1Ab含量也都随取食时间延长而下降 ,但下降速度较二化螟更快。