''Caconemobius varius'' is a species of

cricket Cricket is a Bat-and-ball games, bat-and-ball game played between two Sports team, teams of eleven players on a cricket field, field, at the centre of which is a cricket pitch, pitch with a wicket at each end, each comprising two Bail (cr ...

known by the common name Kaumana cave cricket. It is endemic to the island of

Hawai'i Hawaii ( ; ) is an island state of the United States, in the Pacific Ocean about southwest of the U.S. mainland. One of the two non-contiguous U.S. states (along with Alaska), it is the only state not on the North American mainland, th ...

, where it inhabits the dark zone of

lava tube A lava tube, more rarely called a pyroduct, is a 'roofed conduit through which molten lava travels away from its vent'. If lava in the tube drains out, it will leave an empty cave. Lava tubes are common in low-viscosity volcanic systems. La ...

caves.

Distribution and Habitat

''Caconemobius varius'' is endemic to the big island of

, inhabiting lava tubes between elevation. It prefers wet caves. It is only found in the dark zones of these caves, far from entrances and skylights.Gurney, Ashley B., and David C. Rentz. "The cavernicolus fauna of Hawaiian lava tubes." ''Pacific Insects'' 18.1-2 (1978): 85-103. Caves inhabited by ''C. varius'' include

Kazumura Cave Kazumura Cave is a lava tube and has been surveyed at 40.7 miles (65.5 km) long and 3,614 feet (1,102 m) deep making it the longest and deepest lava tube in the world. The cave is located on the island of Hawaiʻi on the eastern slope of Kīl ...

and Kaumana Cave.

Ecology

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

References

Insects of Hawaii Ground crickets Cave insects Taxonomy articles created by Polbot Insects described in 1978 {{gryllidae-stub