Longwave-transmissive screening pigments and red-inclusive tetrachromacy are known for several members of this family. It is likely that this
species, too, possesses red sensitivity, but the site admin is unaware of evidence for that.
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
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