Interestingly, Rosas-García et al. [14] investigated genetic differentiation among pink hibiscus mealybug, Maconellicoccus hirsutus, populations living on different host plants, using amplified fragment length polymorphism (AFLP). They found a high differentiation in M. hirsutus populations among the host plant species, supported by a Bayesian analysis, which revealed an M. hirsutus population grouping robustness according to their host plants. They concluded that genetic variation among populations of M. hirsutus is caused by host plants, not by geographic distance. These findings are in close agreement with those of Singh et al. [51], which showed that the genetic similarity of solenopsis mealybugs (Phenacoccus solenopsis) also depended on host plants.