低温条件下埃及伊蚊生命表研究

doi:10.11853/j.issn.1003.8280.2022.06.001

中国媒介生物学及控制杂志 ›› 2022, Vol. 33 ›› Issue (6): 771-775.DOI: 10.11853/j.issn.1003.8280.2022.06.001

• 实验研究 • 下一篇

低温条件下埃及伊蚊生命表研究

赵美杰^1,2, 郭宁宁^1,3, 刘起勇¹, 金华锋⁴, 孟凤霞¹, 刘小波¹, 郭玉红¹

1. 中国疾病预防控制中心传染病预防控制所媒介生物控制室, 传染病预防控制国家重点实验室, 世界卫生组织媒介生物监测与管理合作中心, 北京 102206;
2. 东北农业大学生命科学学院, 黑龙江哈尔滨 150000;
3. 山东大学齐鲁医学院公共卫生学院, 山东济南 250012;
4. 东北财经大学经济学院, 辽宁大连 116025

收稿日期:2022-07-19 出版日期:2022-12-20 发布日期:2022-12-09
通讯作者: 郭玉红,E-mail:guoyuhong@icdc.cn
作者简介:赵美杰,女,在读硕士,从事病媒生物防治研究工作,E-mail:2921537896@qq.com
基金资助:
中国疾病预防控制中心传染病预防控制所公共卫生突发应急反应机制运行项目（131031102000180007）

Life table of Aedes aegypti at low temperature

ZHAO Mei-jie^1,2, GUO Ning-ning^1,3, LIU Qi-yong¹, JIN Hua-feng⁴, MENG Feng-xia¹, LIU Xiao-bo¹, GUO Yu-hong¹

1. State Key Laboratory of Infectious Disease Prevention and Control, WHO Collaborating Centre for Vector Surveillance and Management, Department of Vector Biology and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China;
2. College of Life Science, Northeast Agricultural University, Harbin, Heilongjiang 150000, China;
3. School of Public Health, Cheeloo College of Medicine, Shandong University, Ji'nan, Shandong 250012, China;
4. School of Economics, Dongbei University of Finance and Economics, Dalian, Liaoning 116025, China

Received:2022-07-19 Online:2022-12-20 Published:2022-12-09
Supported by:
Emergency Response Mechanism Operation Program, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention (No. 131031102000180007)

摘要/Abstract

摘要： 目的通过模拟低温，对埃及伊蚊各发育阶段生命表各参数开展研究，了解其种群动态特征。方法低温下饲养并记录海南省儋州市实验室品系埃及伊蚊的各生活期情况：发育时长、存活情况、产卵情况，计算各期存活率，依据结果绘制生命表，获得其种群动态特征。结果 17℃低温下，埃及伊蚊卵孵化率为（14.83±1.53）%，化蛹率为（85.73±3.92）%，羽化率为（96.11±5.71）%，长成率为（13.43±0.90）%。雌、雄埃及伊蚊成蚊前发育时间分别为（18.17±0.67）和（17.82±0.36）d。其中，1、4龄幼虫发育时间较2、3龄长，4龄幼虫发育时间最长，为（5.43±0.93）d。该埃及伊蚊种群羽化为成蚊性比（雌∶雄）为0.43±0.03，净增值率为41.13±0.40，内禀增长力为0.11±0.01，世代周期长为（32.66±3.23）d，增值有限速率为（1.12±0.01）/d。稳定年龄组配成蚊前期占比（88.11±1.97）%，成蚊期占比（11.89±1.97）%，成蚊期各日龄组稳定年龄组配寿命在11d以上的占比（21.32±2.42）%，寿命在11d以内的占比（78.68±2.42）%。瞬时出生率为0.13±0.01，瞬时死亡率为0.02±0.00。结论 17℃时埃及伊蚊能够完成生活史；卵孵化率低，说明卵期是低温下决定埃及伊蚊发育的关键阶段，是决定其向冷气候地区扩散分布的限定因素；该温度下埃及伊蚊活动能力低，各期发育时间延长，雌蚊寿命明显延长，可能增加病毒感染和传播的机会，应将其与生长潜力、活动和叮咬能力等结合进行媒介效能评价。

关键词: 埃及伊蚊, 生命表, 低温, 登革热

Abstract: Objective By simulating low temperature, the parameters of the life table of Aedes aegypti mosquitoes at various developmental stages were studied to understand their population dynamics. Methods Laboratory Ae. aegypti from Danzhou city, Hainan province, China were reared at low temperature, and the development time and survival in all life stages and the oviposition of Ae. aegypti were recorded. The survival rate in all life stages was calculated, and the population dynamics was obtained by drawing a life table. Results At 17 °C, the hatching rate, pupation rate, eclosion rate, and maturation rate of Ae. aegypti were (14.83±1.53)%, (85.73±3.92)%, (96.11±5.71)%, and (13.43±0.90)%. The pre-adult development time of female and male Ae. aegypti was (18.17±0.67) and (17.82±0.36) d, respectively. The development time of the 1st and 4th instar larvae was longer than that of the 2nd and 3rd instar larvae, and the development time of the 4th instar larvae was the longest with (5.43±0.93) d. The adult sex ratio (female: male) was 0.43±0.03; the net productivity was 41.13±0.40; the intrinsic growth rate was 0.11±0.01; the generation span was (32.66±3.23) d; the finite rate of increase was (1.12±0.01)/d. The proportion of stable age was (88.11±1.97)% in the larval stage and (11.89±1.97)% in the adult stage. The proportion of stable age over 11 d for adult mosquitoes was (21.32±2.42)% and (78.68±2.42)% with stable age less than 11 d. The instantaneous birth rate was 0.13±0.01, and the instantaneous death rate was 0.02±0.00. Conclusion Ae. aegypti can complete its life cycle at 17 °C. The egg hatching rate is low, indicating that the egg stage may be a critical stage affecting the development of Ae. aegypti at low temperature, and it may be the key impact factor which limits spreading toward lower temperature areas for Ae. aegypti. At 17 °C, Ae. aegypti mosquito has low activity capacity, prolongs the development time of each stage. The longer adult stage may increase the chance of virus infection and transmission. The vector efficiency should be evaluated in combination with growth potential, activity, and biting ability

Key words: Aedes aegypti, Life table, Low temperature, Dengue fever

中图分类号:

赵美杰, 郭宁宁, 刘起勇, 金华锋, 孟凤霞, 刘小波, 郭玉红. 低温条件下埃及伊蚊生命表研究[J]. 中国媒介生物学及控制杂志, 2022, 33(6): 771-775.

ZHAO Mei-jie, GUO Ning-ning, LIU Qi-yong, JIN Hua-feng, MENG Feng-xia, LIU Xiao-bo, GUO Yu-hong. Life table of Aedes aegypti at low temperature[J]. Chinese Journal of Vector Biology and Control, 2022, 33(6): 771-775.

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低温条件下埃及伊蚊生命表研究

Life table of Aedes aegypti at low temperature

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