JEB -- Frederiksen and Warrant 211 (6): 844 Figure IG4

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Fig. 4. Typical angular sensitivity functions recorded from single cells in a male Caligo memnon (blue) and male Morpho peleides (red) in (A) light-adapted (LA) and (B) dark-adapted (DA) conditions. The acceptance angles of the angular sensitivity functions for these cells are slightly larger in C. memnon ( ${Delta}$ ${rho}$ _LA=1.4°, ${Delta}$ ${rho}$ _DA=2.1°) than in M. peleides ( ${Delta}$ ${rho}$ _LA=0.9°, ${Delta}$ ${rho}$ _DA=1.7°).