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. Author manuscript; available in PMC: 2010 May 25.
Published in final edited form as: Science. 2009 Nov 6;326(5954):847–850. doi: 10.1126/science.1179141

Fig. 2.

Fig. 2

Distribution of H. cydno alithea mate preference indices for yellow (yellow bars, maximum likelihood estimate = 0.36 [0.423 − 0.299]) and white (white bars, maximum likelihood estimate = 0.54 [0.604 − 0.475]) males. The preference index (x-axis) is the proportion of courtship and attempted mating events that were directed toward white females; a preference index of 1 indicates complete preference for white whereas 0 indicates complete preference for yellow. All males with two or more courtship events are shown.