Abstract
ABSTRACT Invasive organisms may cause ecologic, economic, and public health harm. Aedes japonicus is an invasive mosquito species of known ecologic and public health importance that has widely spread throughout the eastern USA since initially being recognized in Connecticut in 1998. Here, we report the known distributions of Ae. japonicus within the Great Smoky Mountains National Park (GSMNP) since its initial recognition in the park in 2004. From 2006 to 2022, we sampled eggs, larvae, and adult life stages through targeted, haphazard, and convenience collections. Through these efforts, we surveyed 23 (54.7%) of the 42 watersheds within the GSMNP. Aedes japonicus was present in 19 (82.6%) of the sampled watersheds, and the species was confirmed, in some instances, at the same location over multiple years, suggesting it remains entrenched. This species was observed in 45.2% of the GSMNP watersheds at elevations ranging from 347 to 1,478 m. Naturally occurring containers (i.e., riverine rock pools) were common collection sites in this study. The results of our findings are presented in the context of the species distribution within the park, the public health relevance given the GSMNP’s public visitation rate (>12 million annually), potential species interactions, and the persistence of this species over the multiyear study.
Published Version
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