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从1978至1983年对麦田蚜茧蜂的保护利用措施进行了调查研究,发现燕麦蚜茧蜂(Aphidius avenae Haliday)占78.2％、烟蚜茧蜂(A.gifuensis Ashmead)占17.9％、阿维蚜茧蜂占1.3％、麦蚜茧蜂占2.1％。 1978年以来我市播种小麦面积累计221.95万亩,保护利用蚜茧蜂的面积161.38万亩,占麦田面积的72.7％。1978、79、81年的利用面积均在30万亩以上;1983年27.8万亩麦田全部利用,减少用药1—2遍,每亩节约农药费0.5—1元。增加了自然界天敌总数,减轻了环境污染。1981年5月中旬城关公社有些地块麦蚜发生较重,要求3天内
Aphidius avenae Haliday (78.2%) and A.gifuensis Ashmead (17.9%) were found from 1978 to 1983, and the results showed that Aphis gossypii Braconidae accounted for 1.3%, wheat aphid bee 2.1%. Since 1978, the total area of sown wheat in our city has totaled 2.1295 million mu, and the area for the protection and utilization of aphid Braconidae is 1,613,800 mu, accounting for 72.7% of the total area of wheat field. 1978, 79, 81 years of the use of the area are more than 300000 acres; 198378000 acres of wheat fields all use, reduce the use of drugs 1-2 times, per acre savings of 0.5-1 yuan pesticide fee. Increased the total number of natural enemies in nature, reducing environmental pollution. In mid-May 1981 Chengguan commune some land mass wheat aphid occurred heavier, requiring 3 days