Figure 1.

Indirect Fitness (F0 to F2). Mean number of viable grand-offspring (F2) produced by a singly or multiply mated F0 females via (A) all F1, (B) male F1, and (C) female F1. Values in (B) and (C) do not sum to the values in (A), because not all F0s produced mixed sex broods. Whiskers indicate 95% bootstrap percentile confidence intervals. Sample sizes used to calculate the means are shown in Supporting Information 1.