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Fig. 6 | BMC Ecology

Fig. 6

From: Host choice in a bivoltine bee: how sensory constraints shape innate foraging behaviors

Fig. 6

Color reflectance and bee color space. Spectral reflectance curves of the flowers of C. trachelium and T. officinale and of the yellow and lilac artificial flowers (n = 3 measurements for each) and corresponding color loci plotted in a hexagon color space against a standard green leaf. EU, EB, EG represent the excitation of the UV, blue and green receptor, respectively. The pairwise distances between the color loci and between each color locus and the uncolored point (centre of the hexagon) are given in Additional file 3

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