中华微刺盲蝽对茄二十八星瓢虫卵的捕食功能反应  

Functional response of Campylomma chinensis Schuh preying on eggs of Henosepilachna vigintioctopunctata

作　　者：余金咏[1,2] 吴伟坚[1] 梁广文[1] 

机构地区：[1]华南农业大学昆虫生态研究室,广东广州510642 [2]河北科技师范学院生命科技学院,河北秦皇岛066600

出　　处：《中国植保导刊》2012年第8期11-13,10,共4页China Plant Protection

基　　金：广东省自然科学基金(021031);河北科技师范学院青年项目基金(2006NY017)

摘　　要：在室内进行了中华微刺盲蝽4龄若虫、5龄若虫和成虫对茄二十八星瓢虫卵的捕食功能反应试验。采用Michaelis-Menten-Ⅱ功能反应模型进行拟合,并利用捕食潜能A、猎物半饱和密度F两个参数评价中华微刺盲蝽对茄二十八星瓢虫卵密度的功能反应。结果表明,中华微刺盲蝽4、5龄若虫和成虫对茄二十八星瓢虫卵的捕食潜能分别为161.290 3、78.740 2头/d和76.923 1头/d,猎物半饱和密度分别为155.612 9、87.007 9头和70.292 3头。本研究表明,中华微刺盲蝽4、5龄若虫和成虫对茄二十八星瓢虫卵潜在的捕食量大,控制作用强。Functional responses of 4th,5th instar nympha and adults of Campylomma chinensis preying on eggs of Henosepilachna vigintioctopunctata were evaluated through strict indoor experiments.Experimental data was fitted by Michaelis-Menten-II mathematical model in which controlling effects were determined by parameters of preying potential capacity A and half saturated prey density F.The results showed that values fitted of A and F were 161.290 3,78.740 2,76.923 1 and 155.612 9,87.007 9,70.292 3 respectively preyed by 4th,5th instar nympha and adults,which indicated that 4th,5th instar nympha and adults of C.chinensis were efficient in consuming eggs of H.vigintioctopunctata and performed well as predators.

关 键 词：中华微刺盲蝽 茄二十八星瓢虫 捕食功能反应 捕食潜能 猎物半饱和密度 

分 类 号：S476.2[农业科学—农业昆虫与害虫防治]