樗蚕在保定市暴发成灾樗蚕ＰｈｉｌｏｓａｍｉａｃｙｎｔｈｉａＷａｌｋｅｒ过去在河北保定市局部地区零星发生，但近年危害加重。１９９５年在高阳、安国、博野、清苑等保定南部的十几个县暴发，危害程度之重在我市尚属首次。据调查樗蚕成虫于５月末开始出现，６、７月份... Silkworm exudes disaster in Baoding Silkworm Philosamiacynthia Walker in the past occurred in some areas of Baoding, Hebei Province sporadic, but in recent years increased harm. In 1995 in Gaoyang, Angola, Boye, Qingyuan and other southern Baoding outbreak in more than a dozen counties, the degree of harm in our city is the first time. According to a survey of molting worms in late May began to appear, in June and July ...