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随着我国林业工作的日益发展,海南岛沿海地区,相继营造了100多万亩的木麻黄人工纯林。但近年来,许多过去未注意的森林害虫猖獗起来,造成大面积的为害,严重地影响了木麻黄的生长。龙眼蚁舟蛾就是其中之一。为及时防治,确保林木的正常生长,现将最近调查情况,简介如下。 一、为害情况与寄主 龙眼蚁舟蛾 Stauropus alternus Walker是1975年7月中旬于文昌县铺前公社的木麻黄人工幼林内首次发现,到10月底已造成大面积的严重为害。树叶绝
With the continuous development of forestry in China, coastal areas of Hainan Island have successively created a plantation of Casuarina equisetifolia with a total area of more than 1 million mu. However, in recent years, many forest pests that have not been noticed in the past have been rampant, causing widespread damage and seriously affecting the growth of Casuarina. Longan moth is one of them. In order to timely prevention and control, to ensure the normal growth of trees, the recent investigation, briefings are as follows. First, the damage situation and the host Longan moth Stauropus alternus Walker in mid-July 1975 in Wenchang County Commune before the Casuarina plantation young found the first time by the end of October has caused a large area of serious damage. Leaves absolutely