Fig. 2. Trained bees change their preference to visit Maze A or Maze B from morning to afternoon. (A) Percentage of total visits at Maze A and B in the learning tests with yellow gratings in the morning at maze B and blue gratings in the afternoon at maze A; (B) percentage of total visits at Maze A and Maze B in the transfer tests with black and white gratings. N, number of repetitions of tests; values are means ± s.e.m. See text for further details.