棉小造桥虫(Anomis flova Fabr.)是棉花主要害虫之一,危害严重的田块内,百株虫卵量达千粒以上。1978年沔阳县小南大队的10余亩棉田中发生小造桥虫的流行病,幼虫多以尾足及腹部倒挂而死。将病虫采回后经分离鉴定,确定病原为核型多角体病毒。现将初步研究结果简报如下。 Anomis flova Fabr. Is one of the main cotton pests. In the severely damaged plots, the number of eggs per one hundred eggs is more than one thousand. In 1978, about 10 mu of cotton fields in Xiaonan Brigade in Xunyang County were endemic. The larvae mostly died of tail-footing and abdomen upside down. The pests were recovered after identification by identification to determine the pathogen nuclear polyhedrosis virus. Now the preliminary findings are summarized as follows.