害虫天敌蠋蝽对茶角胸叶甲的捕食性研究  

Study on the Predation of the Pest Enemy,Arma chinensis on Basilepta Melanopus

作　　者：包强[1,2] 刘皓明 肖蕾 杨文波[1] 杨辉[1] 周品谦 周凌云 王沅江[1] BAO Qiang;LIU Haoming;XIAO Lei;YANG Wenbo;YANG Hui;ZHOU Pinqian;ZHOU Linyun;WANG Yuanjiang(Tea Research Institute,Hunan Academy of Agricultural Science,Changsha 410125,China;Key Laboratory of Green Pesticide and Agricultural Bioengineering,Ministry of Education,Guizhou University,Guiyang 550025,China;Hunan Agricultural University,Changsha 410128,China)

机构地区：[1]湖南省农业科学院茶叶研究所,湖南长沙410125 [2]贵州大学绿色农药与农业生物工程教育部重点实验室,贵州贵阳550025 [3]湖南农业大学,湖南长沙410128

出　　处：《茶叶通讯》2024年第4期476-480,共5页Journal of Tea Communication

基　　金：湖南省重点研发项目(2023NK3013);国家重点研发计划项目(2022YFD1600800);湖南省科技创新重大专项(2021NK1020);湖南省农业科技创新资金(2024CX21)。

摘　　要：为明确蠋蝽对茶角胸叶甲的捕食能力,分别开展了蠋蝽5龄若虫和成虫对茶角胸叶甲的捕食室内试验,并利用HollingⅡ型圆盘方程拟合数据明确其控害效能。结果表明,室内条件下蠋蝽两种虫态均可捕食茶角胸叶甲成虫,搜寻时间躅蝽5龄若虫长于成虫,但用时均在2 h以上。捕食量随茶角胸叶甲成虫密度呈正相关,同密度下蠋蝽成虫的捕食量高于5龄若虫的捕食量。瞬间攻击率a蠋蝽成虫大于蠋蝽5龄若虫。5龄蠋蝽若虫和成虫对茶角胸叶甲的处理时间T_h分别为0.060 d和0.043 d,蠋蝽成虫对猎物的处理时间少于5龄若虫。蠋蝽对茶角胸叶甲理论上最大日捕食量a/T_h值,蠋蝽成虫可达到5.093头,而蠋蝽5龄若虫仅为3.050头。a值、T_h值、a/T_h值结果均表明蠋蝽成虫对茶角胸叶甲的控制作用更强。In order to determine the predation ability of Arma chinensis on Basilepta melanopus,indoor experiments were conducted on the predation of the 5th instar nymphs and adults of Arma chinensis on Basilepta melanopus,and the pest control effectiveness was determined by fitting data with HollingⅡdisc equation.The results showed that both insect forms of the A.chinensis could prey on adult B.melanopus.The search time for the 5th instar nymphs of Arma chinensis was longer than that for the adults,but both took more than 2 hours.The predation amount is positively correlated with the density of adult B.melanopus,and at the same density,the predation amount of adult Arma chinensis is higher than that of 5th instar nymphs.The instantaneous attack rate of adult Arma chinensis is higher than that of 5th instar nymphs.The treatment time(th)of 5th instar nymphs and adults of A.chinensis on B.melanopus was 0.060 day and 0.043 day,respectively.The treatment time of adult A.chinensis on prey was less than that of 5th instar nymph.In theory,the maximum daily catch a/th value of adult A.chinensis on B.melanopus can reach 5.093,while the 5th instar nymphs of A.chinensis are only 3.050.The results of a,th and a/th value show that the adults of A.chinensis have a stronger control effect on B.melanopus.The conclusion of the predatory function response of A.chinensis to B.melanopus can provide reference for field application.

关 键 词：茶树 蠋蝽 茶角胸叶甲 虫害防控 室内观察 捕食功能反应 

分 类 号：S571.1[农业科学—茶叶生产加工] S435.711[农业科学—作物学]