Many cisterns are infested with Guinea worm (filaria medinensis, Gm.).
No injury is done to the infested insects.
Festus found Judaea infested with robbers and the sicarii, who mingled with the crowds at the feasts and stabbed their enemies with the daggers (sicae) from which their name was derived.
When they get infested with aphids, do we think about their enemy, the praying mantis?
ABRAHAM-MEN, the nickname for vagrants who infested England in Tudor times.