The majority of the species belong to the family Pulicidae, of which P. irritans maybe taken as the type; but the order also includes the Sarcopsyllidae, the females of which fix themselves firmly to their host, and the Ceratopsyllidae, or bat-fleas.
Normally he wouldn't mind having the attention of a room full of females, but this was different.
To be sure of it, all females born into my line will be killed.
The females have relatively large tusks, which are essential in obtaining their food.
In C. nigrescens and in some other species a zooid may contain a pair of ovaries, a pair of testes, or an ovary and a testis, although the males, females and hermaj phrodites do not differ from one another in external characters.