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首页> 美国卫生研究院文献>Journal of Medical Entomology >Sampling Considerations for Designing Aedes aegypti (Diptera: Culicidae) Oviposition Studies in Iquitos Peru: Substrate Preference Diurnal Periodicity and Gonotrophic Cycle Length
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Sampling Considerations for Designing Aedes aegypti (Diptera: Culicidae) Oviposition Studies in Iquitos Peru: Substrate Preference Diurnal Periodicity and Gonotrophic Cycle Length

机译：在秘鲁伊基托斯设计埃及伊蚊（Diptera：Culicidae）产卵研究的抽样注意事项：基质偏爱昼夜周期性和食营养周期长度

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摘要

When devising methods to sample Aedes aegypti (L.) eggs from naturally-occurring containers to investigate selective oviposition, failure to take into account certain aspects of Ae. aegypti behavior can bias study inferences. In Iquitos, Peru, we tested three assumptions related to designing Ae. aegypti oviposition field studies, as follows: 1) lining containers with paper as an oviposition substrate does not affect oviposition; 2) diurnal egg-laying activity peaks in the late afternoon or early evening, and there is little oviposition during midday; and 3) the gonotrophic cycle length of wild females averages from 3 to 4 d. When wild females were presented with containers lined and unlined with paper toweling, the presence of paper increased oviposition in plastic and metal containers, but had no effect in cement containers. Recording the number of eggs laid by Ae. aegypti every 2 h throughout the day delineated a bimodal diurnal oviposition pattern, with a small morning peak, decreased activity during midday, and a predominant peak in the late afternoon and evening from 16:00 to 20:00 h. Daily monitoring of captive individual F0 females revealed that the gonotrophic cycle length was typically 3– 4 d for the Iquitos population. These findings will be used to adjust field study design to 1) account for sampling eggs using paper toweling, and 2) determine the time of day and number of days over which to sample Ae. aegypti eggs. We explored how failure to consider these behaviors could potentially bias field assessments of oviposition preferences.
机译：当设计方法从天然容器中采集埃及伊蚊卵以研究选择性产卵时，未能考虑到某些ae。埃及人的行为可能会使研究推论产生偏差。在秘鲁伊基托斯，我们测试了与设计Ae有关的三个假设。 aegypti产卵的现场研究如下：1）用纸作为产卵基质衬里容器不会影响产卵； 2）昼夜产卵活动在午后或傍晚达到高峰，中午几乎没有排卵； 3）野生雌性动物的营养营养周期平均为3到4 d。当给野性雌性提供衬有或未衬有纸巾的容器时，纸的存在会增加塑料和金属容器中的产卵率，但对水泥容器没有影响。记录Ae产下的卵数。埃及羚羊全天每2 h描绘出一种双峰昼夜排卵模式，晨高峰较小，中午活动减少，下午16:00至20:00 h的傍晚主要高峰。每天对圈养的雌性F0雌性进行监测，发现伊基托斯人群的非营养周期通常为3-4 d。这些发现将用于调整现场研究设计，以达到以下目的：1）使用纸巾对鸡蛋进行采样，以及2）确定一天中的时间和采样Ae的天数。埃及鸡蛋。我们探讨了未能考虑这些行为的方式如何可能导致对产卵偏好的田野评估产生偏差。

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