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Fig. 7. Dual-choice experiments on M. stellatarum (experiment 4). (A)
Turquoise was used as rewarded colour (surrounded by a white circle). Choices
made by M. stellatarum under white (N=274) and yellow
(N=183) illumination. (B) Green used as rewarded colour (surrounded
by a white circle). Choices made by 10 M. stellatarum for the
different colour patches under white (N=221) and yellow
(N=209) illumination.