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当前位置: 首页 > 文章 > 温度对麦蛾柔茧蜂功能反应的影响 昆虫学报 2009,52 (4) 395-400
Position: Home > Articles > Influence of temperature on functional response of Habrobracon hebetor(Say)(Hymenoptera:Braconidae)attacking larvae of Plodia interpunctella(Hübner)(Lepidoptera:Pyralidae) Acta Entomologica Sinica 2009,52 (4) 395-400

温度对麦蛾柔茧蜂功能反应的影响

作  者：
钟宝珠;许再福;覃伟权
单  位：
中国热带农业科学院椰子研究所;华南农业大学资源环境学院
关键词：
麦蛾柔茧蜂;印度谷螟;寄生;功能反应;温度
摘  要：
为明确温度变化在麦蛾柔茧蜂Habrobracon hebetor对印度谷螟Plodia interpunctella寄生作用中的影响,研究了室内17,20,23,26,29,32和35℃条件下,麦蛾柔茧蜂对不同密度的印度谷螟5龄幼虫的麻痹和寄生作用。结果表明:在17~29℃范围内,寄生蜂的寄主处理时间与温度成反比,从17℃的0.341d到29℃的0.068d,但温度再升高时,处理时间又延长。寄主搜索率也随温度的改变而变化,17℃时最低,为0.056;29℃时最高,为1.895;当温度升高到32~35℃时,寄主搜索率又下降。温度调节的功能反应模型表明,在26~29℃范围内,寄生率较高。可见,在26~29℃时,麦蛾柔茧蜂对印度谷螟有较好的寄生效果,对寄生蜂繁殖后代有利。
译  名：
Influence of temperature on functional response of Habrobracon hebetor(Say)(Hymenoptera:Braconidae)attacking larvae of Plodia interpunctella(Hübner)(Lepidoptera:Pyralidae)
作  者：
ZHONG Bao-Zhu1,2,XU Zai-Fu1,,QIN Wei-Quan2(1.College of Natural Resources and Environment,South China Agricultural University,Guangzhou 510642,China;2.Coconut Research Institute,Chinese Academy of Tropical Agricultural Sciences,Wenchang,Hainan 571339,China)
关键词：
Habrobracon hebetor;Plodia interpunctella;parasitism;functional response;temperature
摘  要：
In order to clarify the influence of temperature on the parasitism of Habrobracon hebetor(Say),the paralysis and the parasitism of the parasitoid H.hebetor as a biological control agent against Indian meal moth,Plodia interpunctella(Hübner),were determined at 17,20,23,26,29,32 and 35℃ in the laboratory.The functional response of H.hebetor parasitizing P.interpunctella was examined at different host densities.A functional response equation was fitted to each temperature regime.The results indicated that within the temperature range of 17 to 29℃,the handling time was inversely proportional to temperature,ranged from 0.341 d at 17℃ to 0.068 d at 29℃.But over 29℃,the handling time was extended.The instantaneous search rate changed with temperature,being the lowest at 17℃ and highest at 29℃.But over 32℃,the instantaneous search rate decreased as the temperature increased.A temperature mediated functional response equation was fitted to the data,in which the handling time was a quadratic function of temperature.Accordingly,H.hebetor can parasitize more individuals of hosts within the temperature range of 26 to 29℃,which is favorable for its reproduction.

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