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Are Yellow Sticky Cards and Light Traps Effective on Tea Green Leafhoppers and Their Predators in Chinese Tea Plantations?

文献类型： 外文期刊

作者： Shi, Longqing 1 ; He, Haifang 1 ; Yang, Guang 1 ; Huang, Huoshui 6 ; Vasseur, Liette 1 ; You, Minsheng 1 ;

作者机构： 1.Fujian Agr & Forestry Univ, Inst Appl Ecol, State Key Lab Ecol Pest Control Fujian & Taiwan C, Fuzhou 350002, Peoples R China

2.Fujian Acad Agr Sci, Inst Rice, Fuzhou 350018, Peoples R China

3.Minist Educ, Joint Int Res Lab Ecol Pest Control, Fuzhou 350002, Peoples R China

4.Henan Agr Univ, Coll Plant Protect, Zhengzhou 450002, Peoples R China

5.Minist Agr, Key Lab Integrated Pest Management Fujian Taiwan, Fuzhou 350002, Peoples R China

6.Comprehens Technol Serv Ctr Quanzhou Customs, Quanzhou 362000, Peoples R China

7.Brock Univ, Dept Biol Sci, 1812 Sir Isaac Brock Way, St Catharines, ON L2S 3A1, Canada

关键词： Empoasca onukii; tea plantations; yellow sticky cards; light traps

期刊名称：INSECTS （ 影响因子：2.769； 五年影响因子：3.046 ）

ISSN：

年卷期： 2021 年 12 卷 1 期

页码：

收录情况： SCI

摘要： Simple Summary Leafhoppers are serious insect pests in agriculture across the world. Both nymphs and adults suck the sap of plant shoots and leaves with their piercing-sucking mouthparts causing damage called "hopperburn". The tea green leafhopper, Empoasca onukii, is one of most damaging pests in tea plantations in Asia. In China, yellow sticky cards and light traps are increasingly used to control leafhoppers in tea plantations, especially the tea green leafhopper. Visually, several leafhoppers appear to be captured and killed, however, the real control efficiency and the damage to natural enemies remains unclear. In our study, a 16-week open field experiment with daily weather monitoring was designed to test the responses of tea green leafhopper, parasitoids and spiders to yellow sticky cards and light traps (cover with sticky cards) that used different light colours. An exclosure experiment was also designed to further test the influence of the three light systems (without sticky card) on the same groups of species. The results suggested that light, especially green and white, can be useful as a way to control leafhopper populations without affecting parasitoids and spiders too much. In Chinese tea plantations, yellow sticky cards and light traps are increasingly used to control insect pests, especially the tea green leafhopper Empoasca onukii. In this study, a 16-week open-field experiment with daily weather monitoring was designed to test the responses of tea green leafhopper, parasitoids and spiders to yellow sticky cards and three light traps with different wavelengths (covered with sticky cards). An exclosure experiment was also designed to further test the influence of the three light systems (without sticky card) on the same species. The results showed that all three light emitting diode (LED) light traps (white, green and yellow) and yellow sticky cards attracted many more E. onukii male adults than females during the course of the open field experiment, with less than 25% of trapped adults being females. Parasitoids and spiders were also attracted by these systems. Weather variables, especially rainfall, influenced the trapping efficiency. In the exclosure experiment, the population of leafhoppers in the yellow sticky card treatment did not decline significantly, but the number of spiders significantly decreased. The green and white light treatments without sticky cards showed a significant control of E. onukii and no obvious harm to spiders. These results suggest that yellow sticky cards and light traps have limited capacity to control tea green leafhoppers. However, light, especially green light, may be a promising population control measure for tea green leafhoppers, not as killing agents in the traps, but rather as a behavioral control system.

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