Field Evaluation of Different Wavelengths Light-Emitting Diodes as Attractants for Adult Aleurodicus dispersus Russell (Hemiptera: Aleyrodidae)
文献类型： 外文期刊
作者： Zheng, L. X. 1 ; Zheng, Y. 1 ; Wu, W. J. 1 ; Fu, Y. G. 2 ;
作者机构： 1.South China Agr Univ, Coll Nat Resource & Environm, Lab Insect Ecol, Guangzhou, Guangdong, Peoples R China
2.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Danzhou, Hainan, Peoples R China
关键词： Aleurodicus dispersus;LED;phototaxis;wavelength
期刊名称：NEOTROPICAL ENTOMOLOGY （ 影响因子：1.434； 五年影响因子：1.46 ）
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年卷期：
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收录情况： SCI
摘要： In recent years, light traps with light-emitting diodes (LEDs) have been widely used in integrated pest management. The spiralling whitefly, Aleurodicus dispersus Russell, a highly invasive pest which causes heavy damage to fruit trees and ornamental plants, exhibits positive phototaxis, and light trap is the most appropriate tool for monitoring. We evaluated the use of LEDs as an inexpensive light source and examined the relationship between the captured number and the population density of adult A. dispersus in the field. We found that the violet (405 nm) LED traps captured the most adults of A. dispersus, and the captured numbers were significantly higher than those of blue (460 nm), green (520 nm), yellow (570 nm), and red (650 nm) LED traps. The adults of A. dispersus captured by light traps equipped with violet LEDs and smeared with liquid paraffin had a significant positive correlation with the population density of adult A. dispersus in a guava orchard, with a correlation coefficient of 0.828. In general, the light traps with 15 violet LED bulbs hung into 550-mL plastic bottles and smeared with liquid paraffin were the portable devices for attraction of adult A. dispersus. The results have potential use for improving the efficiency of light traps at attracting and trapping the adult spiralling whitefly.
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