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我们从1978年至1982年对伊盟准格尔旗国营神山林场1.3万亩侧柏林发生的明纹侧柏松毛虫生活史连续进行了观察和防治试验,现初报如下: 明纹侧柏松毛虫属鳞翅目,枯叶蛾科,松毛虫属。主要危害侧柏,幼虫吃嫩芽、针叶,严重时针叶多被吃光,使林木呈现枯黄状态,影响林木生长,甚至造成死亡。明纹侧柏松毛虫成虫灰褐色,前翅中室近端部有一白斑,其外方有横线。外横线锯齿状亚外缘线由纹列排成,暗褐色。雄蛾体长29—
From 1978 to 1982, we observed and controlled the life history of Platycladus orientalis, a caterpillar of Platycladus orientalis, which occurred in 13,000 mu of Mount Pleasant Forest in Shen Shan Forest Farm in Zhunger Banner of Iran. We first reported the following: Caterpillar is a Lepidoptera, Lepidoptera, Dendrolimus. The main harm Platycladus orientalis, larvae eat buds, needles, stalks and more when severe eaten, so that trees appear brown, affecting the growth of trees, and even cause death. Platycladus orientalis Dendrolimus adult brown-brown, the forelimb in the proximal part of the room has a white spot, the outside of a horizontal line. Outside horizontal jagged subtrian line lined by rows, dark brown. Male moth body length 29-