Grylloblattidae, commonly known as the icebugs, or ice crawlers, is a family of extremophile (psychrophile) and wingless insects that live in the cold on top of mountains and the edges of glaciers. They belong, along with Mantophasmatidae, to the order Notoptera. Grylloblattids are wingless insects mostly less than 3 cm long, with a head resembling that of a cockroach, with long antennae and having elongated cerci arising from the tip of their abdomen. They cannot tolerate warmth and many species have small distribution ranges.
Grylloblatta chirurgica is a species of insect in family Grylloblattidae. Like other species in the genus, it is endemic to the United States. This species is also known as the Mount Saint Helens grylloblatid, and is found at high elevations and in ice caves in south-western Washington state, especially in Skamania County around Mount St. Helens. It has also been found in the Chinook Pass area of Yakima County.
Grylloblatta is a genus of insects in the family Grylloblattidae. It contains 15 species, including Grylloblatta chirurgica, almost exclusively from high-altitude and high-latitude regions of the United States, living in ice caves and glaciers.
Grylloblatta campodeiformis, also known as the northern rock crawler, is an omnivorous species of insect in family Grylloblattidae. Like other species in the genus Grylloblatta, it is endemic to North America.
Grylloblatta barberi is a North American species of wingless insect in the genus Grylloblatta. It is a rock crawler that lives at high altitudes in crevices under snow or glaciers. It was first described by Andrew Nelson Caudell in 1924.
Grylloblatta scudderi, also known as Scudder's rock crawler, is a species of Grylloblattidae. It was first described in 1979. It is endemic to British Columbia, Canada, and is unranked by NatureServe as of January 2021.
Grylloblattina is a genus of insects in the family Grylloblattidae. It is a monotypic genus consisting of the species Grylloblattina djakonovi.
Namkungia is a genus of cave-dwelling insects in the family Grylloblattidae found in Korea. It contains 2 species, both of which are found in caves in Jeongseon County, Gangwon Province, South Korea.
Grylloblatta marmoreus is a species of cave-dwelling insect in the family Grylloblattidae. Its type locality is in the Marble Mountains of California, United States.
Grylloblatta newberryensis is a species of insect in the family Grylloblattidae. It is found in central Oregon, United States.
Grylloblatta rothi is a species of insect in the family Grylloblattidae found in Oregon. Its type locality is Happy Valley in Deschutes County, Oregon, United States. It is also known from Mount Hood and Crater Lake.
Grylloblatta siskiyouensis is a species of insect in the family Grylloblattidae. Its type locality is in Oregon Caves National Monument in the United States.
Grylloblatta washoa is a species of insect in the family Grylloblattidae. Its type locality is Echo Summit in the Sierra Nevada of California, United States. Specimens have also been collected in Placer County and Nevada County.
Namkungia biryongensis is a species of cave-dwelling insect in the family Grylloblattidae. Its type locality is Biryong Cave in Jeongseon County, Gangwon Province, South Korea.
Namkungia magna is a species of cave-dwelling insect in the family Grylloblattidae. Its type locality is Balgudeok Cave in Jeongseon County, Gangwon Province, South Korea.
Galloisiana chujoi is a species of cave-dwelling insect in the family Grylloblattidae that is endemic to southern Japan. Its type locality is Oninoiwaya Cave, Japan.
Galloisiana kiyosawai is a species of insect in the family Grylloblattidae that is endemic to Japan. Its type locality is Hirayu Warm Springs, Japan.
Galloisiana kosuensis is a species of cave-dwelling insect in the family Grylloblattidae. Its type locality is Gosu Cave, South Korea.
Galloisiana nipponensis is a species of insect in the family Grylloblattidae that is endemic to Japan. Its type locality is Lake Chūzenji, Japan.
Galloisiana yezoensis is a species of insect in the family Grylloblattidae that is endemic to Japan. Its type locality is Miyazaki Pass, Japan.
