Additional file 2.

Proportion of peak areas. Proportions (%) of peak areas in chromatograms from cuticular hydrocarbon extracts of queens and workers in six Temnothorax species. Box plots show medians and 25% and 75% quartiles. Whiskers depict the range of 90% of all cases. Extreme outliers are denoted by circles. P-values of substances differing significantly between the various groups are given in Additional file 3.

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Brunner et al. BMC Evolutionary Biology 2011 11:55   doi:10.1186/1471-2148-11-55