Yuan Xiu-ping, Wang Xiao-dong, Wang Jia-wu, Zhao Yi-ying
Ying Yong Sheng Tai Xue Bao. 2015 Mar;26(3):853-8.
To determine the influence of high temperature shock on the survival characteristics and population development of N. californicus, the hatching rate, survival rate and developmental duration were investigated after the eggs, larvae and adults of N. californicus were exposed to high temperatures (35, 38, 42, 45 °C) for 1-8 h. The results showed that with higher temperature and longer time, the survival rate of eggs and larvae would be lower, and their developmental duration declined firstly and then increased. The hatching rate of eggs treated at 42 °C for 8 h was significantly lower than that at 35 °C for 8 h. The developmental duration of egg (4.1 d) was shortest when treated at 38 °C for 8 h. The egg couldn't hatch when treated at 45 °C for 2 h. The survival rate of larvae which was treated at 45 °C for 4 h was significantly lower than. that at 35 °C for 4 h, and the larvae wouldn' t survive when treated at 45 °C for 8 h. The spawning period and total eggs of female adults increased firstly and then decreased. The egg-laying amount of a female N. californicus was 38.9, 36.7 and 14.5 at 35, 38 and 45 °C, respectively. High temperature exposure had significant effects on the egg hatching rate, survival rate and development duration of N. californicus, but had little effect on the pre-oviposition and survival rate of the adults.
为了确定高温冲击对加州新小绥螨生存特性和种群发展的影响，在加州新小绥螨的卵、幼虫和成虫暴露于高温（35、38、42、45℃）1 - 8小时后，对其孵化率、存活率和发育历期进行了研究。结果表明，温度越高、时间越长，卵和幼虫的存活率越低，其发育历期先下降后上升。42℃处理8小时的卵的孵化率显著低于35℃处理8小时的卵。卵在38℃处理8小时时发育历期最短（4.1天）。卵在45℃处理2小时不能孵化。45℃处理4小时的幼虫存活率显著低于35℃处理4小时的幼虫，45℃处理8小时幼虫不能存活。雌成虫的产卵期和总产卵量先增加后减少。在35、38和45℃时，雌性加州新小绥螨的产卵量分别为38.9、36.7和14.5。高温暴露对加州新小绥螨的卵孵化率、存活率和发育历期有显著影响，但对成虫的产卵前期和存活率影响较小。
