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. 2013 Apr 16;8(4):e62240. doi: 10.1371/journal.pone.0062240

Figure 2. Spectral sensitivities of nine spectral receptor types found in the retina of Troides aeacus formosanus.

Figure 2

The averaged spectral sensitivity curves are shown as solid lines with standard errors. The dashed lines indicate the predicted absorption spectra of visual pigment calculated from a template [22]. (A) UV (360 nm, n = 50) and violet (390 nm, n = 15) receptors with the absorption spectrum of a 360 nm-absorbing visual pigment (R360). (B) Blue (440 nm, n = 76) receptor with R440. (C) Blue-green (510 nm, n = 12) receptor with R510. (D) Single-peaked green (540 nm, n = 54) and dual-peaked green (550 nm, n = 31) receptors with R540. (E) Orange (580 nm, n = 4) receptor with R580. (F) Red (610 nm, n = 30) and deep-red (630 nm, n = 34) receptors with R600.