Temperature-and Relative Humidity-Dependent Life History Traits of Phenacoccus solenopsis (Hemiptera: Pseudococcidae) on Hibiscus rosa-sinensis (Malvales: Malvaceae)
文献类型： 外文期刊
作者： Chen, H. S. 1 ; Yang, L. 1 ; Huang, L. F. 1 ; Wang, W. L. 1 ; Hu, Y. 1 ; Jiang, J. J. 1 ; Zhou, Z. S. 2 ;
作者机构： 1.Guangxi Acad Agr Sci, Inst Plant Protect, Guangxi Key Lab Biol Crop Dis & Insect Pests, Nanning 530007, Peoples R China
2.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China
3.Yunnan Agr Univ, Coll Plant Protect, Kunming 650201, Peoples R China
关键词： temperature;humidity;Phenacoccus solenopsis;biological characteristic
期刊名称：ENVIRONMENTAL ENTOMOLOGY （ 影响因子：2.377； 五年影响因子：2.298 ）
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年卷期：
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收录情况： SCI
摘要： Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae), a worldwide distributive invasive pest, originated from the United States, and it was first reported in Guangdong province, China, in 2008. The effects of temperature and relative humidity (RH) on the life history traits of P. solenopsis on Hibiscus rosa-sinensis L. (Malvales: Malvaceae) were studied at seven constant temperatures (15, 20, 25, 27.5, 30, 32.5, and 35 degrees C) and three RHs (45, 60, and 75%). The results showed that temperature, RH, and their interactions significantly influenced the life history traits of P. solenopsis. First instar was the most sensitive stage to extreme temperatures with very low survival rates at 15 and 35 degrees C. At 25-32.5 degrees C and the three RHs, the developmental periods of entire immature stage were shorter with values between 12.5-18.6 d. The minimum threshold temperature and the effective accumulative temperature for the pest to complete one generation were 13.2 degrees C and 393.7 degree-days, respectively. The percentage and longevity of female adults significantly differed among different treatments. It failed to complete development at 15 or 35 degrees C and the three RHs. Female fecundity reached the maximum value at 27.5 degrees C and 45% RH. The intrinsic rate for increase (r), the net reproductive rate (R-0), and the finite rate of increase (lambda) reached the maximum values at 27.5 degrees C and 45% RH (0.22 d(-1), 244.6 hatched eggs, and 1.25 d(-1), respectively). Therefore, we conclude that 27.5 degrees C and 45% RH are the optimum conditions for the population development of the pest.
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