Used in:

• Geerlok Fermentation Device (Tinkering)

Dropped by (***no spawn table):

• Netherbian Lair
• A Netherbian Warrior (18%)
• A Netherbian Drone (17%)
• The Swarm Leader (20%)
• A Netherbian Drone (17%)
• A Netherbian Swarmcaller (31%, 0.33 avg drops per kill)
• A Netherbian Drone (17%)