Evidence of the effect of adulticides on Aedes aegypti (Culicidae) sensors on public paved areas
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fumigation, oviposition sensors, mosquito breeding sites, urban mosquitoes

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Burroni, N. E., & Asaroff, P. (2022). Evidence of the effect of adulticides on Aedes aegypti (Culicidae) sensors on public paved areas. Anales Del Instituto De La Patagonia, 50. https://doi.org/10.22352/AIP202250009


Aedes aegypti is an urban mosquito of great health importance. For this reason, it is relevant to estimate its population density in urban areas, as well as to monitor its presence to subsequently take control measures, especially eliminating breeding sites or potential breeding sites for this mosquito, mainly in dwellings. Abundance estimation is commonly made from immature stages and monitoring, generally weekly, is done with oviposition sensors. While two simultaneous studies on A. aegypti were being carried out in a city in Entre Ríos, Argentina, in the summer, the municipality carried out a chemical control on wild adult mosquitoes (which had invaded the city) in the city streets. This allowed us to analyze the consequences of the insecticide application on the two methods for detecting this mosquito. One study was carried out on A. aegypti breeding sites and the other with two types of sensors (classical and sticky-trap), while the first allowed the estimation of indicators of their abundance, giving considerable values for the city, the other practically not. recorded the presence of A. aegypti in the city. This discrepancy would indicate that the application of adulticides on public paved areas by eliminating A. aegypti adults that could be on the sidewalks did not allow to detect their presence, when in fact the abundances in the city were considerable. Monitoring with the aforementioned sensors that provide relevant spatial and temporal information on the presence of the vector can be interfered with by chemical controls that have another focus, producing erroneous results.

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Copyright (c) 2022 Nora E. Burroni, Pablo Asaroff


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