For the few, not the many: local economic conditions constrain the large-scale management of invasive mosquitoes

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Authors

Jacopo Cerri, Chiara Sciandra, Tania Contardo, Sandro Bertolino

Abstract

Invasive mosquitoes are an emerging ecological and sanitary issue. Many factors have been suggested as drivers or barriers to their control, still no study quantified their influence over mosquito management by local authorities, nor their interplay with local economic conditions.
We assessed how multiple environmental, sanitary, and socio-economic factors affected the engagement of municipalities in Italy (n = 7,679) in actions against Aedes albopictus, an invasive mosquito affecting human health and well-being, between 2000 and 2020.
Municipalities are more prone to manage A. albopictus if more urbanized, in lowlands, with long infestation periods and close to outbreaks of Chikungunya, for which A. albopictus is a competent vector. Moreover, these variables were more strongly associated with management in municipalities with a high median income, and thus more economic resources. Only 25.5% of Italian municipalities approved regulations for managing A. albopictus, and very few of them were in Southern Italy, the most deprived area of the country.
Our findings indicate that local economic conditions moderate the effect of other drivers of mosquito control and ultimately can lead to better management of A. albopictus. Thus, to ensure social justice, existing policies for managing the impacts of invasive vectors should explicitly address territorial inequalities by providing policymakers with adequate economic means.

DOI

https://doi.org/10.32942/osf.io/3ju9v

Subjects

Economics, Entomology, Environmental Studies, Life Sciences, Medicine and Health Sciences, Other Life Sciences, Other Medicine and Health Sciences, Public Economics, Social and Behavioral Sciences, Systems Biology

Keywords

arbovirus, Chikungunya, inequalities, invasive species, mosquito-borne diseases, tiger mosquito, vector-borne diseases

Dates

Published: 2022-01-06 21:00

Last Updated: 2022-01-18 09:59

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License

CC-BY Attribution-NonCommercial 4.0 International

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