Fig. 6. Proportion of dropped ants landing on each of the colored sheets. Values are means ± s.e.m.; N=7 trials for dark gray, gray, green and blue, N=21 for white and black and N=14 for all others; 27–38 ants dropped per trial. Bk, black; Dk, dark gray; Gy, gray; Wh, white; Yl, yellow; Rd, red; Bu, blue; Gr, green. Similar letters indicate lack of difference between means.