甘蔗异背长蝽已发展为益阳市甘蔗主要害虫。通过观察,对其形态特征进行描述,并明确该虫在当地1a发生2代。以成虫越冬。越冬代成虫和第一代成虫分别于4月上、中旬和6月底至7月上旬各形成1次成虫产卵高峰。根据研究实践,提出了其发生影响因素和防治方法。 Sugarcane heterosexual bugs have developed into Yiyang sugarcane main pests. Through observation, the morphological characteristics were described, and it was clear that the pest occurred in the first generation of la in China for two generations. To adult wintering. The overwintering generation adults and the first generation adults formed the peak of adult oviposition peak in April, middle and late June to early July respectively. According to the research practice, it puts forward the influencing factors and prevention methods.