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A novel video-tracking system to quantify the behaviour of nocturnal mosquitoes attacking human hosts in the field
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Angarita-Jaimes, N. C., Parker, J. E. A., Abe, M., Mashauri, F., Martine, J., Towers, Catherine E., McCall, P. J. and Towers, David P. (2016) A novel video-tracking system to quantify the behaviour of nocturnal mosquitoes attacking human hosts in the field. Journal Royal Society Interface, 13 (117). pp. 1-14. doi:10.1098/rsif.2015.0974
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Official URL: http://dx.doi.org/10.1098/rsif.2015.0974
Abstract
Many vectors of malaria and other infections spend most of their adult life within human homes, the environment where they bloodfeed and rest, and where control has been most successful. Yet, knowledge of peri-domestic mosquito behaviour is limited, particularly how mosquitoes find and attack human hosts or how insecticides impact on behaviour. This is partly because technology for tracking mosquitoes in their natural habitats, traditional dwellings in disease-endemic countries, has never been available. We describe a sensing device that enables observation and recording of nocturnal mosquitoes attacking humans with or without a bed net, in the laboratory and in rural Africa. The device addresses requirements for sub-millimetre resolution over a 2.0 x 1.2 x 2.0 m volume while using minimum irradiance. Data processing strategies to extract individual mosquito trajectories and algorithms to describe behaviour during host/net interactions are introduced. Results from UK laboratory and Tanzanian field tests showed that Culex quinquefasciatus activity was higher and focused on the bed net roof when a human host was present, in colonized and wild populations. Both C. quinquefasciatus and Anopheles gambiae exhibited similar behavioural modes, with average flight velocities varying by less than 10%. The system offers considerable potential for investigations in vector biology and many other fields.
| Item Type: | Journal Article | ||||||||
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| Subjects: | R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine T Technology > T Technology (General) |
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| Divisions: | Faculty of Science > Engineering | ||||||||
| Library of Congress Subject Headings (LCSH): | Mosquitoes -- Behavior -- Technology, Malaria -- Prevention -- Equipment and supplies, Vector control , Maleria -- Transmission , Mosquito nets, Insecticides | ||||||||
| Journal or Publication Title: | Journal Royal Society Interface | ||||||||
| Publisher: | Royal Society | ||||||||
| ISSN: | 1742-5689 | ||||||||
| Official Date: | 13 April 2016 | ||||||||
| Dates: |
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| Volume: | 13 | ||||||||
| Number: | 117 | ||||||||
| Page Range: | pp. 1-14 | ||||||||
| DOI: | 10.1098/rsif.2015.0974 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Open Access | ||||||||
| Funder: | Seventh Framework Programme (European Commission) (FP7) | ||||||||
| Grant number: | no. 26566, MR/M011941/1 |
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