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运用脊茧蜂抑制桑尺蠖的发生

标题: 运用脊茧蜂抑制桑尺蠖的发生
英文标题: STUDIES ON THE CONTRAL OF PHTHONANDRIA ATRINEDTA (BUTLER) BY ROGASJAPONICUS ASHMEAD
作者: 尹家凤
英文作者: YIN JIAFENG
出版时间: 1996-01-01
机构: 河北农业大学
关键词: 桑尺蠖,脊茧蜂,繁殖,寄生率
英文关键词: PHTHONANDRIA ATRINEDTA (BUTLER) ROGAS JAPONICUS ASHMEAD REPRODUCTIONPARASITIC RATE
刊名: 河北大学学报(自然科学版)
英文刊名: JOURNAL OF HEBEI UNIVERSITY(NATURAL SCIENCE EDITION)
ISSN: 1000-1565
卷号: 0S1
页码: 27-31
分类号: S888.7
摘要: 作者根据桑尺蠖的危害,对河北省(含北京市)的桑园从南到北进行了全面调查,掌握了桑尺蠖的发出和危害程度.运用桑尺蠖脊茧蜂寄生尺蠖幼虫并致死的生物防治手段,经过脊茧蜂饲养研究,探寻出人工繁蜂放蜂生物技术,使脊茧蜂的寄生率从自然的23%提高到78%,达到了对桑尺蠖的最佳防治效果.
英文摘要: Phthonandria atrinedta (Butler) is a major injurious insect to mulberry trees, which could do a great damage to silkworm. Based on the damaging characters of Phthonandria atrinedta (Butler), comprehensive investigation were carried out in Hebei province from south to north, and the occurence and damage degrees of the insect were made clearly. Rogas japonicus Ashmead was used to kill its host, Phthonandria atrinedta (Butler). Indoor feeding and reproducing of Rogas japonicus Ashmead were studied and the tech...