Abstract:
:Yearly, a quarter billion people are infected and a half a million killed by the mosquito-borne disease malaria. Lack of real-time observational tools for continuously assessing the unperturbed mosquito flight activity in situ limits progress toward improved vector control. We deployed a high-resolution entomological lidar to monitor a half-kilometer static transect adjacent to a Tanzanian village. We evaluated one-third million insect observations during five nights, four days, and one annular solar eclipse. We demonstrate in situ lidar classification of several insect families and their sexes based on their modulation signatures. We were able to compare the fine-scale spatiotemporal activity patterns of malaria vectors during ordinary days and an eclipse to disentangle phototactic activity patterns from the circadian mechanism. We observed an increased insect activity during the eclipse attributable to mosquitoes. These unprecedented findings demonstrate how lidar-based monitoring of distinct mosquito activities could advance our understanding of vector ecology.
journal_name
Sci Advjournal_title
Science advancesauthors
Brydegaard M,Jansson S,Malmqvist E,Mlacha YP,Gebru A,Okumu F,Killeen GF,Kirkeby Cdoi
10.1126/sciadv.aay5487subject
Has Abstractpub_date
2020-05-13 00:00:00pages
eaay5487issue
20issn
2375-2548pii
aay5487journal_volume
6pub_type
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