泡桐树大袋蛾又叫布袋虫、避债蛾等,是近年来豫、皖、苏、鲁等省泡桐树的主要害虫之一。在豫东地区它每年发生一至二代以老熟幼虫越冬,翌年5月上旬前后化蛹,5月下旬至6月上旬产卵于袋囊内,每头雌蛾产卵约3000粒左右,6月中旬孵化出的幼虫开始群集该虫除为害泡桐外,也为害法桐、杨、榆、桑、槐、苹果等十几种林木和农作物。为了有效地控制该虫的发生和蔓延、做到无虫早防,有虫早治,减轻为害,现将大袋蛾防治的主要技术措施介绍如下: 1、内吸有机磷杀虫剂(久效磷、甲胺 Paulownia sack moth, also known as cloth bagworm, shelter moth, etc., in recent years, Henan, Anhui, Jiangsu, Shandong and other provinces one of the major pests Paulownia. In the east of Henan Province, it takes one to two generations per year to overwinter with mature larvae. In the following May, pupation occurs in the early stages of May and later in the first ten days of May to the first ten days of June. The number of eggs laid per female is about 3,000, The larvae hatched in mid-month began to cluster the insects in addition to Paul paulownia, but also damage Fatong, Yang, elm, mulberry, Huai, apple and more than a dozen trees and crops. In order to effectively control the occurrence and spread of the insects, so as to achieve prevention and control without worms, early treatment with insects and alleviation of harm, the main technical measures for prevention and control of the big-bagged moths are described as follows: 1, organophosphate insecticide Phosphorus, methylamine