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. 2010 Jun 4;196(7):501–517. doi: 10.1007/s00359-010-0538-0

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© The Author(s) 2010

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Fig. 4 — Spectral sensitivities. a Spectral sensitivities of the set of the nine photoreceptor classes of C. erate normalised to their area. The area between the faint lines represents standard deviations. b Spectral sensitivities normalised to the peak, with a logarithmic ordinate. Error bars are omitted here for the sake of clarity. Number of measured cells (n) and individuals (m) for all classes is given as (n, m): UV (13, 9); V (4, 4); nB (6, 6); bBb (6, 5); bBs (6, 3); nG (9, 9); bG (21,10); nR (6, 5), fR (2,2)