期刊
JOURNAL OF ECONOMIC ENTOMOLOGY
卷 108, 期 3, 页码 1025-1033出版社
OXFORD UNIV PRESS INC
DOI: 10.1093/jee/tov054
关键词
Empoasca species; leafhopper; sticky card; sampling method; sex ratio
类别
资金
- Fujian Agriculture & Forestry University [2010DFB33030]
- Tea Research Institute of Sri Lanka [2010DFB33030]
- project on Introduction of Advanced Science and Technology (Ministry of Agriculture in China) [2011 - Z26]
- National Key Project of Fundamental Scientific Research (973 Programs) in China [2006CB100204, 2006CB1020066]
- National Natural Science Foundation of China [30570309, 30871649]
Tea green leafhoppers (Empoasca spp.) are considered one of the major pests in tea plantations in Asia. They are, however, difficult to monitor due to their size and flying and jumping abilities. In this study, we clarified the identification of the leafhopper species encountered in our study plantations and examined the impacts of sampling methods in estimating population abundance and sex ratio. The natural sex ratio of eggs, nymphs, and adults of tea green leafhopper and the differences between male and female were tested. Despite previous reports that Empoasca vitis (Goethe) was the major leafhopper present in our study area, our results showed that only Empoasca onukii Matsuda was found. Variation in population size over time and bias in sex ratio depending on the sampling methods were found in our monitoring experiments. In general, adult males were more attracted to yellow sticky cards than females. We believe that because female leafhoppers should be the target in pest control, yellow sticky cards may not be the most suitable monitoring or effective control of tea green leafhopper. We demonstrate the importance of understanding the implications of sampling techniques for population estimation and sex ratio bias as well as how temporal variation may affect monitoring results. Precise monitoring should take into consideration the different life histories of male and female.
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