杨树是我省的主要用材及绿化树种,目前已有一定种植面积,且正在继续扩展中。鳞翅目昆虫是杨树害虫的主要类群,其中有12种比较常见的,通过近几年野外系统调查及室内饲养观察,已基本查清了它们的生物学,现分种记述如下。1.白囊袋蛾Chalioides kondonisMats.省内各地均为一年一代,以中、小幼虫在囊内附寄主枝条上过冬。南昌于3月中下旬开始取食,6月中旬到7月中旬变蛹,6月底到7月底羽化:幼虫于7月中到8月中 Poplar is our province’s main timber and afforestation species, there are already some planting area, and is continuing to expand. Lepidoptera is the main group of poplar pests, of which 12 species are more common. In recent years, the field system surveys and indoor rearing observations have basically ascertained their biology, the current species are described below. 1. White pouch moth Chalioides kondonisMats. All over the province for a year to medium and small larvae in the capsule attached to the main branches of the winter. Nanchang started feeding in mid-to-late March and became pupae from mid-June to mid-July. From the end of June to the end of July, eclosion: the larvae were mid-July to mid-August