Small postman (male) (Heliconius erato)

Containing taxa: Animalia » Arthropoda » Pancrustacea » Insecta » Endopterygota » Lepidoptera » Papilionoidea » Nymphalidae » Heliconiini

Photoreceptors:
Receptor Opsin λmax Filter λmax Filter λ50% Recep. λmax
Red receptor555nm540nm600nm601nm
Green receptor555nm300nm400nm555nm
Blue receptor470nm  470nm
V receptor390nm  389nm


Opponent processes:
Description (+) Terminus (-) Terminus Mode
Luminance
Green receptor   Photopic
Orange-Green
609nm - 577nm - 544nm
 
Red receptor Green receptor Photopic
Lime-Blue
561nm - 507nm - 462nm
 
Green receptor Blue receptor Photopic
Lime-UVA
555nm - 449nm - 388nm
 
Green receptor V receptor Photopic

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Notes and References:

Zaccardi, G., Kelber, A., Sison-Mangus, M. P., & Briscoe, A. D. Color discrimination in the red range with only one long-wavelength sensitive opsin (2006) J. Exp. Biol. 209, 1944-55. doi:10.1242/jeb.02207

McCulloch, K. J., Osorio, D., & Briscoe, A. D. Sexual Dimorphism in the Compound Eye of Heliconius erato: a Nymphalid Butterfly with at least Five Spectral Classes of Photoreceptor (2016) J. Exp. Biol. 219, 2377-87. doi:10.1242/jeb.136523

Warrant E.J., Nilsson D.-E. (1998) Absorption of White Light in Photoreceptors. Vision Res., Vol. 38, No. 2, pp. 195-207. PII: S0042-6989(97)00151-X

Stavenga D., Smits R.P., Hoenders B.J. (1993) Simple Exponential Functions Describing the Absorbance Bands of Visual Pigment Spectra. Vision Res. 33(8) pp. 1011-1017. doi:10.1016/0042-6989(93)90237-Q



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