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Temperature-Dependent Demography of Thrips hawaiiensis (Thysanoptera:Thripidae): Implications for Prevention and Control

文献类型： 外文期刊

作者： Lin, Tao 1 ; You, Yong 1 ; Zeng, Zhaohua 1 ; Chen, Yixin 1 ; Hu, Jinfeng 1 ; Lin, Shuo 1 ; Hu, Qingling 3 ; Yang, Fenghua 1 ; Wei, Hui 1 ;

作者机构： 1.Fujian Acad Agr Sci, Inst Plant Protect, Fujian Key Lab Monitoring & Integrated Management, Fuzhou 350013, Peoples R China

2.Minist Agr & Rural Affairs, Fuzhou Sci Observing & Expt Stn Crop Pests, Fuzhou 350013, Fujian, Peoples R China

3.Weinan Normal Univ, Coll Environm & Life Sci, Weinan 714099, Shaanxi, Peoples R China

关键词： Hawaiian flower thrip; temperature; life table; development; population growth

期刊名称：ENVIRONMENTAL ENTOMOLOGY （ 影响因子：2.387； 五年影响因子：2.194 ）

ISSN： 0046-225X

年卷期： 2021 年 50 卷 6 期

页码：

收录情况： SCI

摘要： The Hawaiian flower thrips, Thrips hawaiiensis (Morgan), a common flower-inhabiting thrip, is now a potential pest globally. Effective control of T. hawaiiensis requires information about the effects of temperature on its ontogeny and population growth. In this study, the life history characteristics and demography of T. hawaiiensis were defined at eight temperatures (9-35 degrees C). Additionally, the thermal constant and temperature threshold were estimated by regression analysis. The developmental duration and longevity of T. hawaiiensis decreased with an increase in temperature between 16 degrees C and 32 degrees C; females survived for longer than males at all temperatures. The lower temperature threshold and thermal constant of preadult T. hawaiiensis were 10.5 degrees C and 132.5 degree-days, respectively. The oviposition days of the females gradually decreased from 16 degrees C to 32 degrees C, and net maternity was higher at 20 degrees C than at 16 degrees C, even though the same number of eggs were laid at both temperatures. The mean longevities of the populations were greatest at 20 degrees C; the life expectancy and reproductive value decreased with temperature. The intrinsic rate of increase and finite rate of increase were significantly highest at 20 degrees C, 25 degrees C, and 30 degrees C. Population growth was triggered at 12.3 degrees C, and reached a peak at approximately 27 degrees C when it proliferated to the largest population size. Therefore, the results suggest that although the population of T. hawaiiensis starts to grow at lower temperatures, it adapts to a wide range of temperatures, and these findings facilitate prediction of different stages of damage, population size, and seasonal occurrence of T. hawaiiensis.

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