Kiseibya
From Tardis Wiki, the free Doctor Who reference
"We are kiseibya and we hunger!"
-Kiseibya swarm
The Kiseibya were parasitic creatures bred by Professor Shimura of the research facility Roark 279 on Bliss. The Professor bred them to be used as a weapon against the Daleks; Metal eating parasites who eat meat in their larval stage. They only appeared once in the Big Finish Story;Enemy of the Daleks.