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当前位置: 首页 > 文章 > 茶足柄瘤蚜茧蜂对苜蓿蚜的寄生功能反应 环境昆虫学报 2012,34 (1) 71-76
Position: Home > Articles > Parasitic functional response of Lysiphlebus testaceipes(Cresson) to Aphis craccivora(Koch) Journal of Environmental Entomology 2012,34 (1) 71-76

茶足柄瘤蚜茧蜂对苜蓿蚜的寄生功能反应

作  者：
刘爱萍;黄海广;徐林波;高书晶;张玉慧;康爱国
单  位：
河北省康保县植保站;中国农业科学院草原研究所
关键词：
苜蓿蚜;茶足柄瘤蚜茧蜂;功能反应
摘  要：
在室内(25±1℃,L:D=16:8光周期,RH=40%～60%)条件下,研究了茶足柄瘤蚜茧蜂Lysiphlebus testaceipes(Cresson)对苜蓿蚜Aphis craccivora(Koch)若蚜的寄生功能反应。结果表明:苜蓿蚜的龄期对茶足柄瘤蚜茧蜂的寄生作用有很大影响,用功能反应HollingⅡ模型模拟,其模拟方程为Na=1.118 N/(1+0.0184 N)。通过该方程可明确单头雌成蜂在24 h内最多寄生60.60头苜蓿蚜,其寄生1头苜蓿蚜所需时间为0.396 h。在5个温度梯度下,茶足柄瘤蚜茧蜂对苜蓿蚜的寄生功能反应均符合HollingⅡ模型,但不同温度下的功能反应参数有明显的差异。此外茶足柄瘤蚜茧蜂自身密度对寄生有一定的干扰作用,其干扰作用通过Hassell-Varley模型拟合,方程为a=0.0621P-0.3062,表明茶足柄瘤蚜茧蜂雌蜂的发现域随着自身密度的增加而逐渐变小,寄生蜂雌蜂个体间的相互干扰效应降低了寄生效能。
译  名：
Parasitic functional response of Lysiphlebus testaceipes(Cresson) to Aphis craccivora(Koch)
作  者：
LIU Ai-Ping1,HUANG Hai-Guang1,3,XU Lin-Bo1,GAO Shu-Jing1,ZHANG Yu-Hui2,KANG Ai-Guo2(1.Grassland Research Institute of Chinese Academy of Agricultural Sciences,Huhhot 010010,China;2.Plant Protection Station of Kangbao County in Hebei Province,Kangbao 076650,Hebei Province,China;3.College of Ecology and Environmental Science,Inner Mongolia Agricultural University,Huhhot 010019,China)
关键词：
Aphis craccivora(Koch);Lysiphlebus testaceipes(Cresson);functional response
摘  要：
The parasitic functional response of Lysiphlebus testaceipes(Cresson)to Aphis craccivora(Koch) was observed at 25 ℃,RH 40% and 16 L∶ 18 D.Results showed that density of host affected parasitism of L.testaceipes significantly,and the functional response can be expressed as Na=1.118 N0 /(1+0.0184N0) by the HollingⅡequation.The numbers of host parasitized by single female L.testaceipes in 24 h was 60.60.The time spent in one host parasitized by single L.testaceipes was 0.396 h.At 5 different temperature gradient,the parasitic functional response of L.testaceipes to A.craccivora fitted Holling type Ⅱ without execption,but the functional response parameter at the varity of temperature was of different significantly.In addition,the density of L.testaceipes affected the parasitism to some extent and the interference fitted Hassell-Varley model,which could be well simulated as a =0.0621P-0.3062,the equation indicated that the discovery domain of female L.testaceipes decresed with increasing density of itself.The interference between female parasite weaken the parasitic function.

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