竹蝗是我省竹林的重要害虫。挖卵、喷药、诱杀、放烟等方法虽有一定效果,但不是花工多,就是成本高,或污染环境。调查发现,在竹林内或毗邻的山场种泡桐,对消灭竹蝗大有好处。这是因为泡桐林常有芫菁发生,包括锯角豆芫菁、红头芫菁、眼斑芫和黄斑芫菁。这五种芫菁的幼虫均爱取食竹蝗卵粒。一只菁芫幼虫一生取食蝗卵60—80粒,是竹蝗的主要天敌。据笔者在大余、崇义、于都等县实地调查,凡芫菁较多的竹 Bamboo locust is an important pest of bamboo in our province. Some methods such as digging eggs, spraying drugs, trapping and killing, and releasing cigarettes have certain effects, but they are not expensive and costly or pollute the environment. The survey found that planting paulownia trees in or adjacent to a bamboo forest is good for the elimination of bamboo locusts. This is because paulownia wood often occurs mulberry, including saw beetle mulberry, red head mulberry, eye spot coriander and macular melatonin. The larvae of these five kinds of green coriander all love to eat bamboo locust eggs. A cyanidium calamus larvae consumes 60-80 locust eggs throughout their lives, is the main natural enemy of locusts. According to the author in more than, Chongyi, all county and other fieldwork, where more green bamboo