RK_LK_sexratio_rawdata_AmNat

This file contains the raw estimates of sex ratio for the 81 populations and 47 species used in this comparative analysis. It also includes the nexus code for the inferred phylogeny used in this paper

Variation in Worker Reproduction with Colony Size

<p>Axes show standardized independent contrasts in the proportion of worker-produced males (log₁₀WPM) and in colony size (log₁₀<i>n</i>_w). (A) includes all species; (B) includes only species in which relatedness predicts worker-produced males (i.e., <i>r</i>_diff is positive). Lines of regression are forced through the origin.</p

Composite Phylogeny Used in Comparative Analyses

<p>Phylogeny includes within-species variation. Duplicated species labeled 1 or 2 (e.g., Leptothorax acervorum 1 and 2) refer to taxa in which within-species variation was included in some analyses (see text for details). Dotted lines, <i>r</i>_diff is negative; solid lines, <i>r</i>_diff is positive. Horizontal bars indicate WPM.</p

Statistical Power As a Function of the Slope <i>β</i> (Effect Size) in Comparative Analyses of <i>r</i>_diff on WPM

<p>On the graph, + data points show the power of tests in which within-species variation was ignored, and × show the power of tests in which within-species variation was included.</p

M-file for individually based simulations

M-file for individually based simulation

Dataset for experiment 1: fly consumption

Dataset for experiment 1: fly consumptio

Dataset for experiment 2

Dataset for experiment

Dryad_buechel et al

Dryad_buechel et a

DATA_Libbrecht_et_al_2011_EVOLUTION

Number of individuals produced for each caste, associated with both parental lineages

Mean level of altruism at the end of the 500 generations of selection.

<p>The mean (±SD) level of altruism as a function of the <i>c/b</i> ratio and level of relatedness (20 replicates per treatment) for <i>r  =  c/b</i> (yellow lines), <i>r</i> < <i>c/b</i> (red lines), and <i>r</i> > <i>c/b</i> (blue lines). Dashed lines are fits based on a model by McNamara et al. <a href="http://www.plosbiology.org/article/info:doi/10.1371/journal.pbio.1000615#pbio.1000615-McNamara1" target="_blank">[44]</a>–<a href="http://www.plosbiology.org/article/info:doi/10.1371/journal.pbio.1000615#pbio.1000615-Gardner3" target="_blank">[46]</a>.</p