Effect of temperature on the demography of Galerucella birmanica (Coleoptera: Chrysomelidae)

Fu-Shan Zheng; Yu-Zhou Du; Zhi-Jie Wang; Jia-Jun Xu

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Effect of temperature on the demography of Galerucella birmanica (Coleoptera: Chrysomelidae)

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Studies on the effect of temperature on the development of the water chestnut beetle, Galerucella birmanica Jacoby were carried out in the laboratory at seven different temperatures: 16 ℃, 19 ℃, 22 ℃, 25 ℃, 28 ℃, 31 ℃ and 34 ℃. The developmental time decreased with increase in temperature. The developmental time at 16 ℃, 19 ℃, 22 ℃, 25 ℃,28 ℃, 31 ℃ and 34 ℃ was 96.60, 80.68, 58.96, 43.48, 35.03, 30.08 and 28.02 days for the period from egg hatching to adult emergence, respectively. The developmental threshold estimated for a generation by linear regression was 10.36 ℃. The fecundity per female at 22 ℃,25 ℃, 28 ℃, 31 ℃ and 34 ℃ was 102.3, 134.5, 141.2, 130.1 and 116.2 eggs, respectively.Oviposition period ranged from 15.6 days at 22 ℃ to 8.6 days at 34 ℃. Hatchability of eggs was highest at 31 ℃ with 76.9% and lowest at 34 ℃ with 57.1%. The highest generation survival rate was 65.3% at 31 ℃, and the intrinsic rate of natural increase (rm) for G.birmanica was the highest at 34 ℃.

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《中国昆虫科学：英文版》 |2008年第4期|375-380|共6页
作者
Fu-Shan Zheng; Yu-Zhou Du; Zhi-Jie Wang; Jia-Jun Xu;
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作者单位

Institute of Applied Entomology, Yangzhou University, Yangzhou, Jiangsu Province;

Laiwu Vocational Technology Institute, Laiwu, Shandong Province, China;

Institute of Applied Entomology, Yangzhou University, Yangzhou, Jiangsu Province;

Institute of Applied Entomology, Yangzhou University, Yangzhou, Jiangsu Province;

Institute of Applied Entomology, Yangzhou University, Yangzhou, Jiangsu Province;

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原文格式 PDF
正文语种 chi
中图分类昆虫学;
关键词
demography; developmental threshold; fecundity; Galerucella birmanicaJacoby; longevity; survivorship; temperature;

机译：人口统计学;发育阈值;生殖力;Galerucella birmanicaJacoby;寿命;生存率;温度;

Effect of temperature on the demography of Galerucella birmanica (Coleoptera: Chrysomelidae)

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