Spatial and temporal characterization of Aedes albopictus oviposition activity in candidate urban settings for sterile insect technique testing in La Reunion Island

Understanding of mosquito spatiotemporal dynamics is central to characterize candidate field sites for the sterile insect technique (SIT) testing, and is critical to the effective implementation and evaluation of pilot sterile male release programs. Here, we present a detailed description of Aedes a...

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Bibliographic Details
Published in:Infectious diseases of poverty 2024-10, Vol.13 (1), p.78-17, Article 78
Main Authors: Le Goff, Gilbert, Damiens, David, Ruttee, Abdoul-Hamid, Jean, Frédéric, Payet, Laurent, Lebon, Cyrille, Taconet, Paul, Gaudillat, Benjamin, Habchi-Hanriot, Nausicaa, Dehecq, Jean-Sébastien, Simard, Frédéric, Gouagna, Louis-Clément
Format: Article
Language:English
Subjects:
Aedes - physiology
Aedes albopictus
Animals
Cities
Ecosystem
Egg abundance
Female
Life Sciences
Male
Methods
Mosquito Control - methods
Mosquito Vectors - physiology
Mosquitoes
Oviposition - physiology
Ovitrap
Rain and rainfall
Reunion
Seasons
Spatio-Temporal Analysis
Spatiotemporal variability
Urban environment
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Summary:Understanding of mosquito spatiotemporal dynamics is central to characterize candidate field sites for the sterile insect technique (SIT) testing, and is critical to the effective implementation and evaluation of pilot sterile male release programs. Here, we present a detailed description of Aedes albopictus (Skuse) egg-laying activity over a 6-year period in urban areas identified as potential SIT testing sites on Reunion Island. Weekly entomological collections using ovitraps were carried out in residential and adjacent uninhabited habitats in two urban areas, Duparc and Bois Rouge, in the municipality of Sainte Marie, Reunion Island. Time-series data incorporating the frequency of positive ovitraps and the total number of eggs/ovitrap recorded each time at each locality during the study period from May 2013 to December 2018 were analyzed with multifaceted statistical approaches including descriptive statistics and spatiotemporal analyses incorporating the role of climatic factors on overall ovitrap productivity. During the ovitrap survey, the proportion of egg-positive ovitraps differed among study sites (χ  = 50.21, df = 2, P 
ISSN:2049-9957
2095-5162
2049-9957
DOI:10.1186/s40249-024-01250-z