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随着生防工作的蓬勃发展,人工助迁胡蜂防治棉田害虫,已在河南、山东、安徽、湖北等省先后开始应用,并取得了良好的效果。尽管我国土地辽阔,蜂种多,蜂源足,但也满足不了生产上普遍应用的需要,加上胡蜂自然越冬死亡率高,影响来年蜂群的壮大,推迟了田间放蜂期,影响了田间利用效果。因此搞人工控制胡蜂越
With the vigorous development of the work of preventing and controlling the earthquakes, artificially aiding the wasps to control pests in the cotton fields has started to be applied successively in Henan, Shandong, Anhui and Hubei provinces and achieved good results. Although China has a vast land, many bee species and enough bee source, it can not meet the needs of general application in production. In addition, the natural overwintering mortality of wasps is high, which will affect the growth of bees in the coming year. Use effect So engage in artificial control wasp more