Nonlethal indirect effects of a native predatory mite, Amblyseius womersleyi Schicha (Acari:Phytoseiidae), on the phytophagous mite Tetranychus kanzawai Kishida (Acari: Tetranychidae)

被引：0

作者：

Keiko Oku

Shuichi Yano

Akio Takafuji

机构：

[1] Kyoto University,Laboratory of Ecological Information, Graduate School of Agriculture

来源：

Journal of Ethology | 2004年 / 22卷

关键词：

Nonlethal indirect effects; Direct effects; Fitness;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

We experimentally tested the indirect and direct effects of Amblyseius womersleyi on Tetranychus kanzawai. The presence of A. womersleyi indirectly reduced egg production of T. kanzawai by 25.9%, although this effect had less impact than direct egg predation. The mechanism of this indirect effect could be explained by behavioral changes in T. kanzawai females; in the presence of A. womersleyi, T. kanzawai females allocated more time to seeking refuge on webs at the expense of feeding on leaves.

引用

页码：109 / 112

页数：3

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