From Pathfinder Society Scenario #1-24: Lightning Strikes, Stars Fall, which isn't enabled.

Krooth Hatchlings

CREATURE 3

Perception +6; low-light vision, scent (imprecise) 30 feet

Skills Athletics +10, Stealth +8 (+10 in water), Survival +8

Str +3, Dex +1, Con +2, Int -4, Wis +0, Cha +1

AC 19; Fort +9, Ref +8, Will +6

HP 30; Immunities precision, swarm mind; Weaknesses area damage 5, splash damage 5; Resistances bludgeoning 5, piercing 5, slashing 2

Speed 30 feet, climb 20 feet, swim 20 feet

Swarming Bites

Each enemy in the swarm's space takes 1d8 piercing damage (DC 20 basic Reflex save) and 1d4 bleed.

Pathfinder Society Scenario #1-24: Lightning Strikes, Stars FallOGL