螽斯具咀嚼式口器,又有刀剑状产卵器,加上不少螽斯种类为害植物和牧草,所以一般都把螽斯当作害虫看待;或因螽斯具有发音器,鸣声悦人,有些地方作为商品性娱乐昆虫;但螽斯作为能捕食害虫的一类重要天敌昆虫,过去却鲜为人知。我们在承担“六五”、“七五”国家攻关项目“松毛虫 螽 Si chewing mouthparts, there are sword-shaped ovipositor, plus a lot of 螽 Si-type plants and forage damage, so generally 螽 Sri Lanka as a pest; or 螽 Sri Lanka has a speaker, Yue Yue People, in some places as commercial entertainment insects; but 螽 Si as predators can be a predominant species of natural enemies of insects, but little known in the past. We are responsible for the “Sixth Five-Year”, “Seventh Five-Year” national research project "pine caterpillars