Bebedouro doméstico como criadouro de Aedes aegypti

Silva, Allan Martins da

doi:10.1590/s0034-89102004000100021

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“…Indiscriminate oviposition site choice may represent an evolutionary strategy for exotic mosquito species, especially inside human residences where water used for consumption and other daily needs is typically subject to treatment or filtration. This behavior can increase the use of habitats such as water fountains (Silva, 2004) and drinking water storage containers (Forattini & Brito, 2003) by A. aegypti females, thereby increasing the probability of mosquitoes locating appropriate oviposition sites indoors (Powell & Tabachnick, 2013). This has direct implications for the vector potential of this species, as the ability to colonize indoor residential habitats should increase contact rates with humans.…”

Section: Introductionmentioning

confidence: 99%

Oviposition preferences of the mosquito Aedes aegypti Linnaeus, 1762 (Culicidae): an urban environment bioassay

Kroth

Cozzer

Carvalho

et al. 2019

Bull. Entomol. Res.

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The establishment of an invasive species depends on reproductive success and dispersion capability in the new environment. One of the striking examples of invasion in urban environments is the mosquito Aedes aegypti Linnaeus, 1762 (Culicidae). The success of this species is primarily attributed to its ability to colonize urban environments, and some of the important adaptive strategies associated with this ability is the preference for humans as a blood source and intense occupation of residential (indoor) environments. This study evaluated the effects of location (indoor vs. outdoor) and water nutrient level (% organic matter) on the oviposition preference of A. aegypti in an urban environment. We used oviposition choice experiments to evaluate mosquito oviposition in containers holding 1:1 vs 1:0 ratios of water: organic matter placed indoors and outdoors. Eggs were sampled once per week for nine weeks. Our results revealed a strong oviposition preference for outdoor containers, with a significant preference for containers with higher concentrations of organic matter during the fifth to ninth weeks. However, mosquitoes occupying indoor environments did not prefer to lay eggs in containers with lower levels of organic matter. A better understanding of the preferences of A. aegypti regarding the nutrient level and location of oviposition containers can increase our understanding of the behavioral factors allowing mosquitoes to utilize anthropogenic environments.

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Section: Introductionmentioning

confidence: 99%