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Aquatic thermal conditions predict the presence of native and invasive rock pool Aedes (Diptera: Culicidae) in the southern Appalachians, U.S.A.
Journal of Vector Ecology ( IF 1.7 ) Pub Date : 2019-05-23 , DOI: 10.1111/jvec.12326
Brian D Byrd 1 , Charlie B Sither 1 , J Alan Goggins 1 , Samantha Kunze-Garcia 1 , Kendra N Pesko 2 , Dulce M Bustamante 2 , John M Sither 1 , James R Vonesh 3 , George F O'Meara 2
Affiliation  

The native rock pool mosquito, Aedes atropalpus (Coquillett), and the invasive Aedes japonicus (Theobald) have been found in many types of artificial and natural containers throughout North America. Little is known about the ecology of these two species in habitats where they co‐occur, although multiple investigators have reported the decline of the native species concurrent with the introduction and spread of the invasive species. Here we report the results of riverine rock pool collections (n=503) in the southern Appalachian Mountains between 2009‐2015. Surface water temperatures strongly predicted the presence of each species across a broad range of observed temperatures (11‐39.8° C). For every unit of increase in temperature (°C) the odds of collecting Ae. atropalpus larvae increased by 0.34 while the odds of collecting Ae. japonicus larvae decreased by 0.28. No Ae. japonicus larvae or pupae were collected at temperatures greater than 36° C; however, immature Ae. atropalpus were found in rock pools with temperatures up to 39.8° C. In contrast, Ae. japonicus were highly abundant in cooler rock pools (<17° C) where Ae. atropalpus were infrequent or absent. Our findings suggest that in spite of the successful invasion by Ae. japonicus, Ae. atropalpus remains well established in the southern Appalachian Mountains. Given the strong correlation of temperature with the presence of the two species and the contrasting absence of each species at observed temperature extremes, the role of thermal conditions should be carefully explored in the context of other ecological factors likely influencing the range and abundance of these mosquitoes.

中文翻译:

水生热条件预测美国南部阿巴拉契亚山脉存在天然和侵入性岩石池伊蚊(Diptera:Culicidae)

在整个北美,人们在许多类型的人工和天然容器中发现了原生的岩石水池蚊子,伊蚊(Coquillett)和侵入性伊蚊(Theobald)。尽管这两个物种共生的栖息地的生态学知之甚少,但许多研究人员报告说,随着入侵物种的引入和传播,原生物种的数量下降。在这里,我们报告了2009-2015年间阿巴拉契亚山脉南部河流岩池采集的结果(n = 503)。地表水温度在很宽的观测温度范围(11-39.8°C)中强烈预测了每种物种的存在。温度每升高一个单位(°C),收集Ae的几率就增加。斜肌幼虫增加0.34而收集Ae的几率刺参幼虫减少0.28。无阂。在高于36°C的温度下收集了刺参的幼虫或p;然而,不成熟的爱。在温度高达39.8°C的岩石池中发现了atropalpus。相反,Ae。Ae较凉的岩石池(<17°C)中,日本ap非常丰富极少见或无。我们的发现表明,尽管Ae成功入侵刺参阂。斜肌在南部的阿巴拉契亚山脉仍保持着良好的地位。鉴于温度与两种物种的存在之间的强烈相关性,以及在观察到的极端温度下每种物种的相对缺乏,在其他可能影响这些蚊子的分布范围和数量的生态因素的背景下,应仔细探讨热条件的作用。 。
更新日期:2019-05-23
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