From Pathfinder Society Scenario #5-19: Demonic Afterparty, which isn't enabled.

Empowered Deskari Effigy

HAZARD 3

Stealth +13 (trained)

Description A statuette of the deceased demon lord creates frightening illusions of insect swarms.

Disable DC 20 Arcana (expert) or DC 20 Religion (trained) to deactivate the effigy or Dispel Magic (2nd rank; counteract DC 23) to dispel the statuette

AC 19; Fort +11, Ref +5

Hardness 10, HP 42 (BT 21); Immunities critical hits, precision

False Swarm (arcane, auditory, illusion)

Trigger A creature moves within 30 feet of the hidden entrance without saying the cultists' password

Effect A swarm of illusionary insects bursts out of the grass in a 60-foot cone from the Deskari effigy and seemingly crawl over the intruders, shrieking incessantly. All creatures in the area must make a DC 19 Fortitude save or become temporarily Deafened for 1 minute (deafened and Clumsy 1 for 1 minute on a critical failure).

Reset 1 minute as the illusory insects harass intruders before scuttling into the earth.

Pathfinder Society Scenario #5-19: Demonic AfterpartyOGL