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棉铃虫在吐鲁番地区的发生面积和危害程度自1994年开始急剧上升,1996年在全地区爆发成灾导致当年棉花生产滑坡。为了搞好棉铃虫的防治,减少我地区的棉田损失,1996年至1998年在吐鲁番地区农技推广中心进行了棉铃虫的人工饲养,从而对其生物学特性做了系统的观察。主要观察了棉铃虫的年生活史、每代各虫态主要发生时期、形态特征及其生活习性等,现将观察结果综述如下: 材料与方法棉铃虫的饲养始于1997年3月。从吐鲁番市亚尔乡幸福五队采集成虫进行人
The area and degree of harm caused by the cotton bollworm in Turpan region have risen sharply since 1994, and the outbreak of the disaster in 1996 caused the landslide of cotton production in that year. In order to improve the control of cotton bollworm and reduce the loss of cotton fields in our region, we conducted a systematic observation on the biological characteristics of cotton bollworm in the agricultural extension center of Turpan Prefecture from 1996 to 1998. The main observations of the annual life history of cotton bollworm, the main occurrence of each generation of insect states, morphological characteristics and their habits and so on, the observations are summarized as follows: Materials and methods of cotton bollworm breeding began in March 1997. From Turpan City Yarrow happy five teams collected adult people