From zone in, the Sludge-Eating fly spawns next to the ladder. After clearing the first room, move thru the tunnel north (only one), to the next room. There's a slightly raised platform in the center of the room. The Blistering Larva spawns right in the center of that pad, with a small larva as PH.
Spawned for us at the first corner room. Dropped Jagged Stone of Hatred MAGIC ITEM, LORE, NO DROP, AUGMENTATION Augumentation Type: 7 WT: 0.0 Size: Tiny Attack: +15