Journal
PATHOGENS
Volume 10, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/pathogens10080998
Keywords
invasive mosquito species; public health; Aedes albopictus; Aedes aegypti; Ochlerotatus japonicus; Ochlerotatus triseriatus
Categories
Funding
- INSPQ [4500361700]
- Public Health Agency of Canada [4500361700]
- Quebec's Ministry of health and social services
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The study aimed to investigate the presence of Ae. Albopictus in southern Quebec, but no specimens were found, though one Ae. Aegypti specimen was detected. The research suggests that ongoing monitoring and utilizing multiple capture techniques targeting a wide range of species may provide valuable information to public health authorities regarding the growing risk of emerging mosquito-borne diseases in southern Canada.
Current climatic conditions limit the distribution of Aedes (Stegomyia) albopictus (Skuse, Diptera: Culicidae) in the north, but predictive climate models suggest this species could establish itself in southern Canada by 2040. A vector of chikungunya, dengue, yellow fever, Zika and West Nile viruses, the Ae. Albopictus has been detected in Windsor, Ontario since 2016. Given the potential public health implications, and knowing that Aedes spp. can easily be introduced by ground transportation, this study aimed to determine if specimens could be detected, using an adequate methodology, in southern Quebec. Mosquitoes were sampled in 2016 and 2017 along the main roads connecting Canada and the U.S., using Biogent traps (Sentinel-2, Gravide Aedes traps) and ovitraps. Overall, 24 mosquito spp. were captured, excluding Ae. Albopictus, but detecting one Aedes (Stegomyia) aegypti (Skuse) specimen (laid eggs). The most frequent species among captured adults were Ochlerotatus triseriatus, Culex pipiens complex, and Ochlerotatus japonicus (31.0%, 26.0%, and 17.3%, respectively). The present study adds to the increasing number of studies reporting on the range expansions of these mosquito species, and suggests that ongoing monitoring, using multiple capture techniques targeting a wide range of species, may provide useful information to public health with respect to the growing risk of emerging mosquito-borne diseases in southern Canada.
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