Intra-species quantification reveals differences in activity and sleep levels in the yellow fever mosquito, Aedes aegypti

IF 1.6 3区 农林科学 Q2 ENTOMOLOGY Medical and Veterinary Entomology Pub Date : 2024-09-19 DOI:10.1111/mve.12747
Oluwaseun M. Ajayi, Emily E. Susanto, Lyn Wang, Jasmine Kennedy, Arturo Ledezma, Angeli'c Harris, Evan S. Smith, Souvik Chakraborty, Nicole E. Wynne, Massamba Sylla, Jewelna Akorli, Sampson Otoo, Noah H. Rose, Clément Vinauger, Joshua B. Benoit
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Abstract

Aedes aegypti is an important mosquito vector of human disease with a wide distribution across the globe. Climatic conditions and ecological pressure drive differences in the biology of several populations of this mosquito species, including blood-feeding behaviour and vector competence. However, no study has compared activity and/or sleep among different populations/lineages of Ae. aegypti. Having recently established sleep-like states in three mosquito species with observable differences in timing and amount of sleep among species, we investigated differences in activity and sleep levels among 17 Ae. aegypti lines drawn from both its native range in Africa and its invasive range across the global tropics. Activity monitoring indicates that all the lines show consistent diurnal activity, but significant differences in activity level, sleep amount, number of sleep bouts and bout duration were observed among the lines. The variation in day activity was associated with differences in host preference and ancestry for the lineages collected in Africa. This study provides evidence that the diurnal sleep and activity profiles for Ae. aegypti are consistent, but there are significant population differences for Ae. aegypti sleep and activity levels and interactions with host species may significantly impact mosquito activity.

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种内定量分析揭示了黄热病蚊子埃及伊蚊活动和睡眠水平的差异。
埃及伊蚊是人类疾病的重要蚊媒,广泛分布于全球各地。气候条件和生态压力导致这种蚊子的几个种群在生物学方面存在差异,包括吸血行为和病媒能力。然而,还没有研究比较过埃及姬蚊不同种群/品系之间的活动和/或睡眠。最近,我们在三个蚊子物种中确定了类似睡眠的状态,并观察到不同物种的睡眠时间和数量存在差异。我们调查了埃及伊蚊 17 个品系的活动和睡眠水平差异,这些品系来自非洲的原生地和全球热带地区的入侵地。活动监测表明,所有品系的昼间活动都是一致的,但在活动水平、睡眠量、睡眠次数和睡眠持续时间方面,各品系之间存在显著差异。日间活动的差异与非洲收集到的品系对宿主的偏好和祖先的差异有关。这项研究提供的证据表明,埃及姬蚊的昼夜睡眠和活动特征是一致的,但埃及姬蚊的睡眠和活动水平存在显著的种群差异,与宿主物种的相互作用可能会显著影响蚊子的活动。
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来源期刊
Medical and Veterinary Entomology
Medical and Veterinary Entomology 农林科学-昆虫学
CiteScore
3.70
自引率
5.30%
发文量
65
审稿时长
12-24 weeks
期刊介绍: Medical and Veterinary Entomology is the leading periodical in its field. The Journal covers the biology and control of insects, ticks, mites and other arthropods of medical and veterinary importance. The main strengths of the Journal lie in the fields of: -epidemiology and transmission of vector-borne pathogens changes in vector distribution that have impact on the pathogen transmission- arthropod behaviour and ecology- novel, field evaluated, approaches to biological and chemical control methods- host arthropod interactions. Please note that we do not consider submissions in forensic entomology.
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