棉蝗Chondracris rosea(De Geer)又称大青蝗,属直翅目蝗科的一种多食性害虫。寄主有木麻黄、南岭黄檀、棉花、水稻、甘蔗及豆类等,其中尤以木麻黄为害最重。目前,已发现大面积林木被害。为及早防治,确保林木的正常生长,现将近年来的调查结果,简述如下。为害情况及分布棉蝗的若虫与成虫都能为害,尤以老龄若虫和成虫为害最烈。严重时,成片木麻黄小枝 Chondracris rosea (De Geer), also known as Daqing locusts, is a multi-food insects of the Orthoptera locust family. The host has Casuarina, Nanling Dalbergia, cotton, rice, sugar cane and beans, especially the most affected Casuarina damage. At present, large areas of trees have been found to have been killed. In order to prevent and control as soon as possible and ensure the normal growth of trees, the survey results in recent years are summarized as follows. Damage and distribution Locust nymphs and adults can harm, especially the nymphs and adults the most harmful. Seriously, into a piece of Casuarina