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1977年以前,美国生物防治专业人员曾到苏联访问,认为在采用新技术方面,苏联的赤眼蜂大规模机械化生产比美国先进。在其生产系统中,除寄生卵的收集外,寄生蜂
Prior to 1977, U.S. biological control professionals visited the Soviet Union and believed that the use of new technologies made the Soviet Union’s Trichogramma large-scale mechanized production more advanced than that of the United States. In its production system, in addition to the collection of parasitic eggs, parasitic wasps