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Figure 3


Fig. 3. Measurement of the thickness of a seta from the beetle Gastrophysa viridula in contact with the substrate. (A) TXM image of the spatula region of a seta, in contact with a Si3N4 membrane surface. (B,C) Line scans taken at the positions 1–8, as marked in A. To increase the signal to noise ratio, the scans have been averaged between the two lines of each position.