Population Growth Rates of Aedes atropalpus (Diptera : Culicidae) Are Depressed at Lower Temperatures Where Aedes japonicus japonicus (Diptera: Culicidae) Are Naturally Abundant in Rock Pools
© The Author(s) 2020. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For permissions, please e-mail: journals.permissionsoup.com..
Recent studies report extensive reductions in the abundance of the North American rock pool mosquito, Aedes atropalpus (Diptera: Culicidae), following the invasion of Ae. japonicus japonicus in the United States. Although developmental temperature is recognized as an important component of the invasion biology of Ae. j. japonicus, its impacts on the population growth and fitness of Ae. atropalpus remain largely undefined. In this study we reared Ae. atropalpus larvae at three temperature ranges reflecting ecologically important temperatures in natural rock pools: a low temperature range (mean: 19°C) where Ae. j. japonicus is common and Ae. atropalpus is often rare, a middle temperature range (mean: 25°C) where both species are naturally found in similar relative abundances, and a higher temperature range (mean: 31°C) where Ae. atropalpus is the dominant species. We measured survival, development time, wing length, and fecundity to calculate a finite population growth rate at each temperature. Our results indicate that Ae. atropalpus population growth suffers in colder rock pools, which informs the perceived displacement of the species in temperate habitats. The population growth rate was highest in the middle temperature range, but not significantly higher than in the highest temperature range used in this study. The developmental success of Ae. atropalpus at the intermediate temperature range suggests that competition with Ae. j. japonicus in rock pools within that range may significantly impact natural Ae. atropalpus populations.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:58 |
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| Enthalten in: |
Journal of medical entomology - 58(2021), 1 vom: 12. Jan., Seite 493-497 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Day, Corey A [VerfasserIn] |
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| Links: |
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| Themen: |
Aedes atropalpus |
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| Anmerkungen: |
Date Completed 25.02.2021 Date Revised 25.02.2021 published: Print Citation Status MEDLINE |
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| doi: |
10.1093/jme/tjaa183 |
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| funding: |
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| 245 | 1 | 0 | |a Population Growth Rates of Aedes atropalpus (Diptera |b Culicidae) Are Depressed at Lower Temperatures Where Aedes japonicus japonicus (Diptera: Culicidae) Are Naturally Abundant in Rock Pools |
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| 520 | |a © The Author(s) 2020. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For permissions, please e-mail: journals.permissionsoup.com. | ||
| 520 | |a Recent studies report extensive reductions in the abundance of the North American rock pool mosquito, Aedes atropalpus (Diptera: Culicidae), following the invasion of Ae. japonicus japonicus in the United States. Although developmental temperature is recognized as an important component of the invasion biology of Ae. j. japonicus, its impacts on the population growth and fitness of Ae. atropalpus remain largely undefined. In this study we reared Ae. atropalpus larvae at three temperature ranges reflecting ecologically important temperatures in natural rock pools: a low temperature range (mean: 19°C) where Ae. j. japonicus is common and Ae. atropalpus is often rare, a middle temperature range (mean: 25°C) where both species are naturally found in similar relative abundances, and a higher temperature range (mean: 31°C) where Ae. atropalpus is the dominant species. We measured survival, development time, wing length, and fecundity to calculate a finite population growth rate at each temperature. Our results indicate that Ae. atropalpus population growth suffers in colder rock pools, which informs the perceived displacement of the species in temperate habitats. The population growth rate was highest in the middle temperature range, but not significantly higher than in the highest temperature range used in this study. The developmental success of Ae. atropalpus at the intermediate temperature range suggests that competition with Ae. j. japonicus in rock pools within that range may significantly impact natural Ae. atropalpus populations | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a Aedes japonicus | |
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| 700 | 1 | |a Byrd, Brian D |e verfasserin |4 aut | |
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