An experimental field study of delayed density dependence in natural populations of Aedes albopictus.

PloS One
R K WalshF Gould

Abstract

Aedes albopictus, a species known to transmit dengue and chikungunya viruses, is primarily a container-inhabiting mosquito. The potential for pathogen transmission by Ae. albopictus has increased our need to understand its ecology and population dynamics. Two parameters that we know little about are the impact of direct density-dependence and delayed density-dependence in the larval stage. The present study uses a manipulative experimental design, under field conditions, to understand the impact of delayed density dependence in a natural population of Ae. albopictus in Raleigh, North Carolina. Twenty liter buckets, divided in half prior to experimentation, placed in the field accumulated rainwater and detritus, providing oviposition and larval production sites for natural populations of Ae. albopictus. Two treatments, a larvae present and larvae absent treatment, were produced in each bucket. After five weeks all larvae were removed from both treatments and the buckets were covered with fine mesh cloth. Equal numbers of first instars were added to both treatments in every bucket. Pupae were collected daily and adults were frozen as they emerged. We found a significant impact of delayed density-dependence on larval survival, dev...Continue Reading

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Citations

May 15, 2013·The American Journal of Tropical Medicine and Hygiene·Rachael K WalshFred Gould
Mar 24, 2018·PLoS Computational Biology·Matthew P Edgington, Luke S Alphey
May 18, 2016·Parasites & Vectors·Heverton Leandro Carneiro DutraLuciano Andrade Moreira
May 4, 2018·Ecology·Kristina M McIntire, Steven A Juliano
Nov 16, 2018·PloS One·Kurt Steinwascher
Aug 10, 2021·Annual Review of Ecology, Evolution, and Systematics·Sumit DholeFred Gould

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