Figure 2.

Behavioral and physiological traits measured in the mating behavior, fecundity, and fertility assays (mean ± 95% confidence intervals) for males and females reared at larval densities of 50 through to 1000 larvae per vial and reared in stock cages. Panels (a–e) on the left show trait values for density treatment males held with reference females. Panels (f–j) on the right show trait values for density treatment females held with reference males. We recorded the proportion of individuals mating, latency to mating, duration of mating, number of eggs laid in the 24 h after mating, and the fertility of eggs laid in the 24 h after mating.