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. 2017 Dec 11;7:17283. doi: 10.1038/s41598-017-17632-3

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© The Author(s) 2017

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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The Host Decoy Trap (a) Field assistants provide human odour while sleeping protected in a tent overnight. Fan draws air from tent along pipe, releasing odour ~10 cm from the base of the trap. Netting covers end of pipe to prevent mosquitoes entering tent. Trap kept at human body temperature (35 ± 5 °C). Un-patterned dark cloth covers trap to increase visual contrast. Clear adhesive plastic sheet wraps around trap to catch landing mosquitoes. Tent is 10 m from trap to focus mosquito search for visual host cues near trap rather than the tent. (b) Schematic, showing flow of air containing whole human odour (blue dashed line) from tent to surrounding Host Decoy Trap.