摘要
分月扇舟蛾近几年在鸡西地区连续猖獗发生,受害严重的林分平均虫口密度达57头/株,严重危害杨树人工林的正常生长。为此,笔者于2004年开始,对分月扇舟蛾的形态特征、发生特点进行了观察,并确定了防治幼虫的最佳时间。
Clostera anastomosis damage is seriously in Jixi city in recent years and the biggest insect density can reach 57. It affects the poplar growth seriously. The author observes the conformation and occurrence characteristics of Clostera anastomosis from 2004 to determine the best prevention time.
出处
《林业科技情报》
2009年第3期8-9,共2页
Forestry Science and Technology Information
关键词
分月扇舟蛾
虫害防治
发生规律
Clostera anastomosis
Pest diase prevention
occurrence rule
