DOI: 10.1101/498238Dec 17, 2018Paper

Modelling the distribution of Aedes aegypti and Aedes albopictus using climate, host density and interspecies competitive effects

BioRxiv : the Preprint Server for Biology
Bingyi YangDerek A.T. Cummings

Abstract

Florida faces the challenge of repeated introduction and autochthonous transmission of arboviruses transmitted by Aedes aegypti and Aedes albopictus . Empirically-based predictive models of the spatial distribution of these species would aid surveillance and vector control efforts. To predict the occurrence and abundance of these species, we fit mixed-effects zero-inflated negative binomial regression to a mosquito surveillance dataset with records from more than 200,000 trap days, covering 73% of the land area and ranging from 2004 to 2018 in Florida. We found an asymmetrical competitive interaction between adult populations of Aedes aegypti and Aedes albopictus for the sampled sites. Wind speed was negatively associated with the occurrence and abundance of both vectors. Our model predictions show high accuracy (72.9% to 94.5%) in the validation tests leaving out a random 10% subset of sites and data from 2018, suggesting a potential for predicting the distribution of the two Aedes vectors.

Related Concepts

Arboviruses
Disease Vectors
Genetic Vectors
Culicidae
Spatial Distribution
Site
Area
Aedes aegypti
Infection Surveillance
Validation

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