柳杉云毛虫(Hoenimnema roesleri Lajon-quiere)为鳞翅目枯叶蛾科的一种大型食叶性害虫,危害柳杉及杉木。旌德县庙首林场于88、89年在20年生杉木林中大发生,成灾面积800多亩,其中重灾区被害针叶65—70%,个别地段达85%,及至危害嫩枝,造成林分枝叶稀疏,一片枯黄。鉴于该虫对本地杉木的危害,且有蔓 The Cryptomeria cocos (Hoenimnema roesleri Lajon-quiere) is a large leaf-eating pest of the Lepidoptera family Lepidoptera that harms Cryptomeria fortunei and Chinese fir. Jingde County temple forest farm in 88, 89 years in 20-year-old Chinese fir forest occurred, the disaster area of ​​800 acres, of which severely affected areas 65-70% of the needles, 85% of individual lots, and even endanger the shoots, resulting in Lin branches sparse, a yellow. In view of the insect damage to the local fir, and there is vine