Localization of β- and γ-endosymbionts in prepupae, pupae, and adult males of mealybugs. Red, signals of the β-endosymbiont; green, signals of the γ-endosymbiont; blue, signals of the host nuclei. (A to F) P. kraunhiae. (G to L) P. comstocki. (A, D, G, and J) Prepupae. (B, E, H, and K) Pupae. (C, F, I, and L) Adult males. (A to C and G to I) Whole insects. (D to F and J to L) Bacteriomes.