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. 2014 Sep 6;11(98):20140499. doi: 10.1098/rsif.2014.0499

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© 2014 The Authors. Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/3.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 6. — Contact of spatulae of beetle pad (Gastrophysa viridula) on the two densest squared arrays of tall pillars (3 and 4 µm spacing, 1.4 µm in diameter and height) in comparison with smooth surfaces. (a) Number of spatulae per 1000 µm² that were in full contact, (b) contact area of individual spatulae in full contact (µm²) and (c) overall contact area coverage (%) of hair array. Centre lines and boxes represent the median within the 25th and 75th percentiles, whiskers show the 10th and 90th percentiles and circles indicate outliers.