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Issue:ISSN 2095-1353
           CN 11-6020/Q
Director:Chinese Academy of Sciences
Sponsored by:Chinese Society of Entomological;institute of zoology, chinese academy of sciences;
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Your Position :Home->Past Journals Catalog->2017年54 No.4

Color preferences and diurnal rhythm of Megalurothrips usitatus (Bagrall) (Thysanoptera: Thripidae)
Author of the article:YAN Kai-Li1, 2** TANG Liang-De2*** WU Jian-Hui1***
Author's Workplace:1. College of Agriculture, South China Agricultural University, Key Laboratory of Bio-Pesticide Innovation and Application, Engineering Technology Research Center of Pest Biocontrol, Guangzhou 510642, China; 2. Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
Key Words:Megalurothrips usitatus (Bagrall), behavior, sticky trap, rhythm, population monitoring
Abstract:

 [Objectives]  To investigate the color preferences and diurnal rhythm of the bean flower thrip, Megalurothrips usitatus (Bagrall). [Methods]  The preferences of adult M. usitatus for sticky traps of ten different colors; white, black, gray, red, green, yellow, blue, purple, pink, and light blue, were determined in both the laboratory and the field, and the most preferred colors were quantified by converting RGB values to virtual wavelengths. [Results]  Blue sticky traps were the most attractive to M. usitatus, followed by light blue sticky and purple traps. A virtual wavelength of 470 nm [RGB (0, 195, 255)] was significantly more attractive to M. usitatus than other colors in laboratory tests. The diurnal activity of adult bean flower thrips had an obvious rhythm. The peak of daily activity was from 8:00-10:00 am and they were inactive at night. [Conclusion]  These results provide theoretical and technical support for bean flower thrip monitoring and the integrated management of this pest.

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