Much larger than their above ground cousins the chthapi produce their nectar from spores of the söpplungr. At one time they were venerated by the Oamnoi as a psychopomp, and housed in subterranean shrine adjacent to the catacombs north of 'Onua. After the fall of the high river dynasty though they spread unchecked through the ruins of the city.
Speed flying- 50ft
Bonuses- +3 to dex saves
Attack +3 attack sting does 2d6 piercing damage and a dc 13 con save vs poison or be paralyzed for 1 day
Special feature the Chthapi die on a successful deployment of their stinger