Burrows into shallow caves and just at the base of cliff faces, creating

Regional Effects

Nesting Ground: The ground in a 10ft radius is dough-like/oozing difficult terrain. DC10 strength save when starting in the area or speed reduced to 0.   Shreik/Chatter: DC10 wisdom save when within 20ft of the queen's strange call. On a fail the creature can't take reactions until the start of it's next turn and rolls a d8: 1-4 does nothing, 5-7 moves randomly using all it's movement, 8 stunned