欧洲玉米螟赤眼蜂1983年引自美国,经多年观察研究,该蜂具有易繁殖、耐高温、雌性比高等优点。自1986年3月中旬至6月底,在广东省番禺县800亩蔗田放蜂9批,累计每亩放蜂量5.5万头,其寄生效果显著高于本地优势种拟澳洲赤眼蜂。 Trichogramma European Trichogramma was introduced in 1983 from the United States, after years of observation and study, the bee has the advantages of easy reproduction, high temperature, high females. Since mid-March 1986 to the end of June 1986, 9 batches of bee-pollinators were released in 800 mu of sugarcane field in Panyu County, Guangdong Province. The total amount of bee-eaters released was 55,000. The parasitic effect was significantly higher than that of the native Trichogramma.