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

Jansson, S., Malmqvist, E., Mlacha, Y., Ignell, R., Okumu, F. , Killeen, G., Kirkeby, C. and Brydegaard, M. (2021) Real-time dispersal of malaria vectors in rural Africa monitored with lidar. PLoS ONE, 16(3), e0247803. (doi: 10.1371/journal.pone.0247803) (PMID:33662005) (PMCID:PMC7932069)

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Abstract

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.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Okumu, Professor Fredros
Creator Roles:
Okumu, F.Writing – review and editing
Authors: Jansson, S., Malmqvist, E., Mlacha, Y., Ignell, R., Okumu, F., Killeen, G., Kirkeby, C., and Brydegaard, M.
College/School:College of Medical Veterinary and Life Sciences > School of Biodiversity, One Health & Veterinary Medicine
Journal Name:PLoS ONE
Publisher:Public Library of Science
ISSN:1932-6203
ISSN (Online):1932-6203
Copyright Holders:Copyright © 2021 Jansson et al.
First Published:First published in PLoS ONE 16(3): e0247803
Publisher Policy:Reproduced under a Creative Commons License
Data DOI:10.6084/m9.figshare.13318454.v1

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