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Research article - Peer-reviewed, 2021

Real-time dispersal of malaria vectors in rural Africa monitored with lidar

Jansson, Samuel; Malmqvist, Elin; Mlacha, Yeromin; Ignell, Rickard; Okumu, Fredros; Killeen, Gerry; Kirkeby, Carsten; Brydegaard, Mikkel


Lack of tools for detailed, real-time observation of mosquito behavior with high spatio-temporal resolution limits progress towards improved malaria vector control. We deployed a high-resolution entomological lidar to monitor a half-kilometer static transect positioned over rice fields outside a Tanzanian village. A quarter of a million in situ insect observations were classified, and several insect taxa were identified based on their modulation signatures. We observed distinct range distributions of male and female mosquitoes in relation to the village periphery, and spatio-temporal behavioral features, such as swarming. Furthermore, we observed that the spatial distributions of males and females change independently of each other during the day, and were able to estimate the daily dispersal of mosquitoes towards and away from the village. The findings of this study demonstrate how lidar-based monitoring could dramatically improve our understanding of malaria vector ecology and control options.

Published in

2021, Volume: 16, number: 3, article number: e0247803

    SLU Authors

    Sustainable Development Goals

    SDG3 Good health and well-being

    UKÄ Subject classification

    Public Health, Global Health, Social Medicine and Epidemiology

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