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当前位置: 首页 > 文章 > 稻田蜘蛛对弹尾虫的功能反应及选择作用 植物保护学报 1998,25 (3) 193-196
Position: Home > Articles > ON THE FUNCTIONAL RESPONSE AND PREFERENCE OF TWO PADDYFIELD SPIDERS TO A SPRINGTAIL Journal of Plant Protection 1998,25 (3) 193-196

稻田蜘蛛对弹尾虫的功能反应及选择作用

作  者：
庞保平;程家安;王启法
单  位：
浙江农业大学植物保护系
关键词：
拟环纹豹蛛;草间小黑蛛;弹尾虫;功能反应;选择作用
摘  要：
作者在室内研究了拟环纹豹蛛和草间小黑蛛对弹尾虫的功能反应和选择作用。结果表明,两种蜘蛛对弹尾虫的功能反应均为Ⅱ型反应,并存在极显著的差异,拟环纹豹蛛对弹尾虫的功能反应明显强于草间小黑蛛,其对弹尾虫的控制作用(a/Th=39.758)是草间小黑蛛(13.031)的3倍左右。弹尾虫和白背飞虱共存时,两种蜘蛛的功能反应变为重型反应,并对弹尾虫都具有明显的偏好性,弹尾虫的存在降低了两种蜘蛛对白背飞虱的捕食作用率。因此,不能片面强调弹尾虫等中性昆虫对控制害虫的促进作用,在作物生长的不同时期,它们所起的作用不同。
译  名：
ON THE FUNCTIONAL RESPONSE AND PREFERENCE OF TWO PADDYFIELD SPIDERS TO A SPRINGTAIL
作  者：
Pang Baoping Cheng Jia'an Wang Qifa (Department of Plant Protection, Zhejiang Agricultural University, Hangzhou)
关键词：
Pardosa pseudoannulata, Erigonidium graminicola, Salina sp. , functional response, preference
摘  要：
Indoor test was conducted on the functional response and preference of Par-dosa pseudoannulata (Boes. et Str. ) and Erigonidium graminicola (Sundvall), the two dominant spider predators in paddyfield, to a springtail Salina sp. . The results showed that both the functional responses of the two spiders belonged to Rolling's II Type, but there was significant difference between them, that of P. pseudoannulata was obviously stronger than that of E. graminicola, and the control effect of the former was three times as much as that of the latter . As the springtail and white backed rice planthopper Sogatclla furcifera (Horvath) coexisted in the cages, the functional responses of the two spiders changed into Holling's III Type, and both had evident preference to the springtail, i.e. the presence of springtail had decreased the predation of the two spiders on 5. furcifera. Consequently, we should not put undue emphasis on neutral insects' promotion of insect pests control, their function will be different in different growing stages of crops.

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