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Fig. 2. Normalized absorbance spectra of butterfly visual pigments based upon the
Bernard template (see Palacios et al.,
1996) and wavelengths of peak absorbance (
max)
estimated from either microspectrophotometry or intracellular recordings. (A)
The compound eye of the nymphalid Danaus plexippus contains three
photopigments (P) with max values corresponding to 340 nm
(gray), 435 nm (purple) and 545 nm (orange), respectively. Estimates of the
max values of the UV (P340) and B (P435) photopigments are
from electrophysiological recordings
(Stalleicken et al., 2006) and
for the LW (P545) photopigment, from microspectrophotometric measurements
(Frentiu et al., 2007a). (B)
The eye of the lycaenid Lycaena rubidus contains four photopigments:
P360 (gray), P437 (purple), P500 (blue), P568 (orange). Estimates of the
max values are from microspectrophotometric measurements
(Bernard and Remington, 1991).
(C) The eye of the papilionid Papilio xuthus contains five
photopigments: P360, P460, P515, P530 and P575. Estimates of the
max values are from the intracellular recordings
(Arikawa, 2003). (D) The eye of
the pierid Pieris rapae contains four photopigments: P360 (gray),
P425 (violet), P453 (purple) and P563 (orange). Estimates of the
max values are from intracellular recordings
(Qiu and Arikawa, 2003a;
Qiu and Arikawa, 2003b) (see
also Wakakuwa et al., 2004;
Arikawa et al., 2005).
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