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. 2018 Dec 14;9:3039–3047. doi: 10.3762/bjnano.9.282

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Copyright © 2018, Mail et al.

This is an Open Access article under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0). Please note that the reuse, redistribution and reproduction in particular requires that the authors and source are credited.

The license is subject to the Beilstein Journal of Nanotechnology terms and conditions: (https://www.beilstein-journals.org/bjnano/terms)

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Proposed Notonecta forewing surface function. An air layer is kept in between the setae. The club-setae (dark brown) support the air–water interface. If pressure increases, the air is compressed and the air–water interface is deformed. This deflects the seta (light brown, dashed outline). Mechanoreceptors (red) connected with the cuticle (orange) at the base of each seta should enable monitoring of the setal deflection. The pins (dark gray) most likely penetrate the air–water interface. If so they should be deflected (light gray, dashed outline) by water flow. This deflection most likely is sensed by cuticular mechanoreceptors (yellow).