Pesky Dungeon Infestations

d12
1. Alchemy mites: eat gold, excrete lead
2. Scintillating mold: hypnotic effect when viewed, trolls watch it for hours
3. Rock eating bacteria: excavation bio-tool gone feral, undermines walls, floors etc.
4. Stone slime: as green slime but perfectly camouflaged
5. Black widow super colony
6. Cadaver ants: dissect corpses to bring into huge nest, store gold in deep chambers
7. Primordial fleas (thumb sized): inert until activated by body heat
8. Whimpering toadstools: like shriekers, only merely annoying
9. Necrophagic fungus: consumes soft tissues, adheres to skeleton for locomotion, keeps adding new skeletons to it's mass until it becomes a vast centipede-like horror
10. Blink lice: short range teleportation
11. Highly aggressive intestinal worms (rope sized), any host will do
12. Microscopic arcanaphagic flora: enter lungs, eat spells