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Figure S1. Typical CHC profile of a sterile worker (SW) of Dolichovespula saxonica.

Figure S2. Predicted and observed proportions of egg-laying workers. Line depicts predicted = observed.

Table S1. Principal Components of CHC Variation, Their Diagnostic Properties, and Their Relationships with the Variables Reproductive Caste and Colony.

Table S2. A Numeric Version of Figure 3, Also Including the Average Percentage of Each CHC Found on the Cuticles of Queens (Q), Reproductive (RW) and Sterile workers (SW).

Table S3. Data on the Percentage of Reproductive Workers in Colonies of Dolichovespula saxonica and Vespula vulgaris.

Table S4. Notation and Definition of Parameters Used in Supporting Information Methods.

Table S5. Data on Effectiveness of Policing, Relatedness Among Workers, Colony Size, Queen–Worker Dimorphism, Relative Queen Fecundity, and Observed (obs) and Predicted (pred) Percentage of Egg-laying Workers in Eight Species of Vespine Wasps. Methods. Estimated proportion of reproductive workers.

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