Trends of Mansonia (Diptera, Culicidae, Mansoniini) in Porto Velho: Seasonal patterns and meteorological influences

Entomological research is vital for shaping strategies to control mosquito vectors. Its significance also reaches into environmental management, aiming to prevent inconveniences caused by non-vector mosquitoes like the Mansonia Blanchard, 1901 mosquito. In this study, we carried out a five-year (201...

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Bibliographic Details
Published in:PloS one 2024-05, Vol.19 (5), p.e0303405-e0303405
Main Authors: Saraiva, José Ferreira, Furtado, Nercy Virginia Rabelo, Maitra, Ahana, Carvalho, Dario P, Galardo, Allan Kardec Ribeiro, Lima, José Bento Pereira
Format: Article
Language:English
Subjects:
Analysis
Animals
Aquatic insects
Biology and Life Sciences
Brazil
Control
Culicidae
Culicidae - physiology
Earth Sciences
Entomology
Environmental management
Environmental protection
Epidemiology
Genetic aspects
Identification
Identification and classification
Mansonia
Medicine and Health Sciences
Meteorological Concepts
Methods
Mosquito Vectors - physiology
Mosquitoes
People and places
Pheromones
Seasonal variations
Seasons
Taxonomy
Vectors
Wind speed
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Summary:Entomological research is vital for shaping strategies to control mosquito vectors. Its significance also reaches into environmental management, aiming to prevent inconveniences caused by non-vector mosquitoes like the Mansonia Blanchard, 1901 mosquito. In this study, we carried out a five-year (2019-2023) monitoring of these mosquitoes at ten sites in Porto Velho, Rondônia, using SkeeterVac SV3100 automatic traps positioned between the two hydroelectric complexes on the Madeira River. Throughout this period, we sampled 153,125 mosquitoes, of which the Mansonia genus accounted for 54% of the total, indicating its prevalence in the region. ARIMA analysis revealed seasonal patterns of Mansonia spp., highlighting periods of peak density. Notably, a significant decreasing trend in local abundance was observed from July 2021 (25th epidemiological week) until the end of the study. Wind speed was observed to be the most relevant meteorological factor influencing the abundance of Mansonia spp. especially in the Joana D'Arc settlement, although additional investigation is needed to comprehensively analyze other local events and gain a deeper understanding of the ecological patterns of this genus in the Amazon region.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0303405