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当前位置: 首页 > 文章 > 3种朱砂叶螨捕食性天敌昆虫干扰及其竞争作用研究 中国植保导刊 2014,34 (8) 14-17
Position: Home > Articles > Interspecific and intraspecific mutual interference and competition of 3 species of natural enemy insects China Plant Protection 2014,34 (8) 14-17

3种朱砂叶螨捕食性天敌昆虫干扰及其竞争作用研究

作  者：
任茂琼;卢永宏;杨群芳
单  位：
四川农业大学农学院;绵阳市农业科学研究院
关键词：
深点食螨瓢虫;微小花蝽;塔六点蓟马;干扰系数;竞争强度
摘  要：
室内研究了微小花蝽、深点食螨瓢虫和塔六点蓟马3种朱砂叶螨的捕食性天敌昆虫的种内和种间干扰及竞争作用。结果表明,随自身密度的增加,天敌昆虫成虫对朱砂叶螨的捕食作用率逐渐减小,干扰和竞争均增大。种内以微小花蝽最大,其干扰系数和分摊竞争强度分别为0.598 5和0.547 7;种间以微小花蝽和塔六点蓟马间最大,其干扰系数和分摊竞争强度分别为0.821 3和0.670 8。种间干扰和竞争作用大于种内个体之间。
译  名：
Interspecific and intraspecific mutual interference and competition of 3 species of natural enemy insects
作  者：
Ren Maoqiong;Lu Yonghong;Yang Qunfang;Mianyang Research Institute of Agricultural Sciences;College of Agronomy,Sichuan Agricultural University;
关键词：
Stethorus punctillum;;Orius minutus;;Scolothrips takahashii;;interference;;competition
摘  要：
Intraspecific and interspecific mutual interference and competition of 3 species of insect natural enemies feeding on Tetranychus cinnabarinus, namely Orius minutus, Stethorus punctillum and Scolothrips takahashii were studied in laboratory. The results showed that with the increases of density of natural enemy insects, predation efficiency against T.cinnabarinus decreased gradually, and mutual interference and competition strengthened, and that of O. minutus was biggest, intraspecific interference coefficient and competition strength were 0.598 5 and 0.547 7, respectively. While the interspecific interference between O. minutus and S. punctillum was biggest, interspecific interference coefficient and competition strength were 0.821 3 and 0.670 8, respectively. The interspecific mutual interference and competition were stronger than that of intraspecific.

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