Fig. 2From: Joint effects of group sex-ratio and Wolbachia infection on female reproductive success in the terrestrial isopod Armadillidium vulgareRatio of gravid females as a function of month (left) and group sex-ratio (right) in (a) Wolbachia-free and (b) Wolbachia-infected females. Mean ± SE are presented. Different letters correspond to P < 0.05; *** P < 0.0001Back to article page