【摘要】 2013—2014年通过室内人工饲养和田间调查相结合的方法,对为害夏播玉米的新害虫二点委夜蛾进行了生物学特性、生活习性及其发生规律的研究。结果表明,二点委夜蛾在山西省运城市一年发生4代,以老熟幼虫结土室或叶茧越冬,3月下旬始见成虫,10月上旬为成虫末期,喜欢隐蔽、潮湿的生态环境,成虫昼伏夜出,幼虫有"C"型假死性,具有区域性暴发的特点。并提出了相应的防控技术措施。更多还原

【Abstract】 From 2013 to 2014, biological characteristics of Athetis lepigone Moschler, living habits and its occurrence regularity were studied through both artificial rearing in the room and observation in the fields. The results showed that Athetis lepigone Moschler had 4 generations a year and overwintered in the soil chamber made by mature larvae or in the form of leaf cocoon in Yuncheng, Shanxi province. In later March, adults of Athetis lepigone Moschler started to found and the stage of adults ended in early October. Athetis lepigone Moschler was fond of the ecological environment of shelter and humid. Adults hid by day and came out by night and its larve had the function of C type of feign death. It had the characteristics of regional outbreak. According to its living habits and occurrence regularity, its corresponding control practices were put forward.更多还原