Spatial distribution and temporal dynamics of invasive and native mosquitoes in a large Mediterranean city
Ferraguti, M. (Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública)
Martínez-de la Puente, J. (Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública)
Brugueras Torrella, Silvia (Institut d'Investigació Biomèdica Sant Pau)
Millet, Joan Pau (Institut d'Investigació Biomèdica Sant Pau)
Rius i Gibert, Maria Cristina (Agència de Salut Pública de Barcelona)
Valsecchi, A. (Agència de Salut Pública de Barcelona)
Figuerola Borras, Jordi (Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública)
Montalvo Porro, Tomas (Institut d'Investigació Biomèdica Sant Pau)
Universitat Autònoma de Barcelona

Fecha:	2023
Resumen:	Mosquitoes, including invasive species like the Asian tiger mosquito Aedes albopictus, alongside native species Culex pipiens s. l. , pose a significant nuisance to humans and serve as vectors for mosquito-borne diseases in urban areas. Understanding the impact of water infrastructure characteristics, climatic conditions, and management strategies on mosquito occurrence and effectiveness of control measures to assess their implications on mosquito occurrence is crucial for effective vector control. In this study, we examined data collected during the local vector control program in Barcelona, Spain, focusing on 234,225 visits to 31,334 different sewers, as well as 1817 visits to 152 fountains between 2015 and 2019. We investigated both the colonization and recolonization processes of mosquito larvae within these water infrastructures. Our findings revealed higher larval presence in sandbox-sewers compared to siphonic or direct sewers, and the presence of vegetation and the use of naturalized water positively influenced larval occurrence in fountains. The application of larvicidal treatment significantly reduced larvae presence; however, recolonization rates were negatively affected by the time elapsed since treatment. Climatic conditions played a critical role in the colonization and recolonization of sewers and urban fountains, with mosquito occurrence exhibiting non-linear patterns and, generally, increasing at intermediate temperatures and accumulated rainfall levels. This study emphasizes the importance of considering sewers and fountains characteristics and climatic conditions when implementing vector control programs to optimize resources and effectively reduce mosquito populations.
Derechos:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.
Lengua:	Anglès
Documento:	Article ; recerca ; Versió publicada
Materia:	Aedes albopictus ; Bacillus thuringiensis israelensis ; Culex pipiens ; Culicidae ; Larvae control ; Monitoring and surveillance ; Mosquito-borne diseases ; Vector control
Publicado en:	Science of the total environment, Vol. 896 (20 2023) , p. 165322, ISSN 1879-1026

DOI: 10.1016/j.scitotenv.2023.165322
PMID: 37414178

16 p, 5.1 MB

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