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Phenacoccus Cockerell, 1893
This is a large genus of mealybugs with nearly 200 species and a world-wide distribution. It contains various pest species, some of which cause serious damage on crops like cotton (Phenacoccus solenopsis) or cassava (Phenacoccus manihoti).
The genus can be recognized by a combination of several morphological features. E.g. there are 2 pairs of ostioles (large pores), the antennae have normally 9 segments and the marginal wax producing pores are usually arranged in 18 groups (cerarii) on each side.
Currently, the following species have been entered into the system: