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. 2015 Nov 17;8:598. doi: 10.1186/s13071-015-1212-8

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© Yu et al. 2015

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided 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 Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 1 — A schematic drawing of the Y-tube olfactometer (not drawn to scale). Dental rolls containing the stimulus and the solvent were placed in the petri dishes, respectively. Mosquitoes entered the flight part when the fabric mesh screen was removed, and they would make the behavioural choice at the funnel-shaped outlet