Swarming Stings◆ Each enemy in the swarm's space takes 2d8 piercing damage (DC 21 basic Reflex save). A creature that fails its save is also exposed to wasp venom.
Wasp Venom (poison) Saving Throw DC 21 Fortitude
Maximum Duration 6 rounds
Stage 1 1d6 poison (1 round)
Stage 2 2d6 poison and Clumsy 2 (2 rounds)
Source: Pathfinder Monster Core
Running this fight? Add the wasp swarm to the initiative tracker: type its name and the AC, hit points and Perception for initiative fill in, and the book button shows this stat block mid-fight.