There were also practitioners of black magic on Earth, although the use of it was not species-wide.
In 1638, Lady Peinforte conducted a black magic ritual to transport herself and Richard Maynarde to 1988 to retrieve the Nemesis statue. (TV: Silver Nemesis) However, it was actually a time storm created by Fenric that allowed this to happen. (TV: The Curse of Fenric)
In the 19th century, the villagers of Treawtha suspected Tobias Philby of practising black magic rituals (actually time travel experiments), and when these were seemingly confirmed they burned down his house. (COMIC: The Amateur)
Daniel Hinton used black magic and got explelled from Brendon Public School. Later he used black magic again to get himself and Alistair Gordon Lethbridge-Stewart into the astral plane during Lethbridge-Stewart's dreams. It was the only place in which Daniel Hinton was free from the Great Intelligence's influence and where he could warn Lethbridge-Stewart to trust noone..(HOMEVID: Downtime)