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| 二双斑唇瓢虫对矢尖蚧的捕食作用 | |
| 引用本文： | 任顺祥,郭振中,熊继文,何永福. 二双斑唇瓢虫对矢尖蚧的捕食作用[J]. 生态学报, 2001, 21(10): 1602-1606 |
| 作者姓名： | 任顺祥 郭振中 熊继文 何永福 |
| 作者单位： | 1. 华南农业大学资源环境学院, 2. 贵州大学农学院, 3. 贵州省农科院植保所, |
| 基金项目： | 国家自然科学基金资助项目(39000019) |
| 摘 要： | 研究了二双斑唇瓢虫（Chilocorus bijugus Mulsant)对矢尖蚧（Unaspis yanonensis Kuwana)的捕食作用，结果表明，瓢虫雌成虫对矢尖蚧各虫态的功能反应呈Holling II型，瓢虫对矢尖蚧的捕食效应随捕食者个体间干扰作用的增加而下降，捕食作用率（E）随着瓢虫数增加呈幂函数下降曲线，温度对瓢虫的捕食效应具有显著的影响，寻找效率（a)和处置时间（Th)与温度之间呈二次函数关系，猎物密度对瓢虫生殖力的影响呈Logistic曲线。 |
| 关 键 词： | 二双斑唇瓢虫 矢尖蚧 功能反应 干扰反应 数值反应 柑桔害虫 捕食作用 |
| 文章编号： | 1000-0933(2001)10-1602-05 |
| 收稿时间： | 1999-11-12 |
| 修稿时间： | 2000-12-20 |
Predation of Chilocorus bijugus (Col.:Coccinellidae)to Unaspis yanonensis(Hom.:Diaspidae) |
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| REN Shunxiang,GUO Zhenzhong,XIONG Jiwen and HE Yongfu. Predation of Chilocorus bijugus (Col.:Coccinellidae)to Unaspis yanonensis(Hom.:Diaspidae)[J]. Acta Ecologica Sinica, 2001, 21(10): 1602-1606 | |
| Authors: | REN Shunxiang GUO Zhenzhong XIONG Jiwen HE Yongfu |
| Affiliation: | College of Resources & Environment; South China Agricultural University; Guangzhou; China |
| Abstract: | The predation of lady beetle,Chilocorus bijugus Mulsant to arrowhead scale,Unaspis yanonenisis Kuwana was studied in laboratory.The functional response of lady beetle to arrowhead scale was determined as Holling's type II.The mutual interference in individual predators can be described by using Hassell and Varley's equation.The predation efficiency(E) of predator varied with environmental temperature.The effect of temperature on search rate (a) and handling time (Th) can be described by using the quadratic curve.The effect of prey density on the fecundity of lady beetle can be described by using the logistic curve. |
| Keywords: | Chilocorus bijugus Unaspis yanonensis functional response mutual interference numerical response |
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