Doctor Who: EVERY NuWho Villain And Monster Ranked Worst To Best
193. Flesh Moths
Appear in: It Takes You Away.
The Vashta Nerada of the Antizone, a place which, according to the Doctor "the universe makes wherever the fabric of space-time is threatened. Like a protective buffer zone to keep threats at bay."
Ironically, Ribbons acted as the Doctor, Yaz, and Graham's buffer zone when the Moths tore into him, allowing the three of them to escape. Thanks mate.