Figure 2.

(a) Female fecundity in the 24 h intermating interval (mean number of eggs ± s.e.) for females mated to males from the MB and FB selection lines either exposed or not exposed to rivals for 5 days prior to mating. (b) Female fertility in the 24 h intermating interval (proportion of eggs fertilized ± s.e.) for females mated to males from the MB and FB selection lines either exposed or not exposed to rivals for 5 days prior to mating. Black bars,+rivals; grey bars,−rivals.