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Figure 1


Fig. 1. (A) Ventral view of first tarsal segment of the ladybird Coccinella septempunctata (setae scratched away in the center to show the underlying cuticle. Note that setae stand in rows; the distance in the proximal-distal direction is greater than perpendicular to it. Scale bar, 20 µm. (B) Relationship between pad adhesion (work of adhesion of a setal array) and seta angle, as predicted from the Work of adhesion model and the assumption that sloped setae must be spaced further apart in the direction of the slope to avoid self-matting [function g({theta}) of Eqn 10 (see Appendix), plotted here for a seta aspect ratio (l/2r) of 10].





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