Grylloblattidae

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 are the only living members of Grylloblattodea, which is generally considered an order. Alternatively, Grylloblattodea, along with Mantophasmatodea (rock crawlers), have been ranked as suborders of 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

thumb|Grylloblatta oregonensis

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Galloisiana is a genus of insects in the family Grylloblattidae found in East Asia. It contains 12 species.

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Grylloblattella is a genus of insects in the family Grylloblattidae found in the Altai-Sayan region of Central Asia. It contains 3 species restricted to montane environments in southern Siberia (Russia), China, and Kazakhstan.

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