It is endemic to the island of Hawai'i,[1] where it inhabits the dark zone of lava tube caves.

Caconemobius varius is endemic to the big island of Hawai'i, inhabiting lava tubes between 300–1,200 metres (980–3,940 ft) elevation.

It is only found in the dark zones of these caves, far from entrances and skylights.

[2] While C. varius has eyes, it is likely not sensitive to movement and can only detect brightness changes.

This article about a member of the insect family Gryllidae is a stub.