Cascade Ice Crawler vs Cascade Rock Crawler

Side-by-side species comparison

Attribute Cascade Ice Crawler Cascade Rock Crawler
Scientific Name Grylloblatta chirurgica Grylloblatta sculleni
Order Grylloblattodea Grylloblattodea
Family Grylloblattidae Grylloblattidae
Size 15-25 mm 15-22 mm body length
Habitat Caves Caves
Diet Omnivores Omnivores
Regions North America Oregon, Cascade Range
Conservation Vulnerable Near Threatened

Cascade Ice Crawler

A North American ice crawler found in the Cascade Range of Washington and Oregon. It lives in volcanic talus slopes near permanent snowfields.

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Did You Know?

Their preferred body temperature is around 1°C, making them among the most cold-adapted insects on Earth.

Cascade Rock Crawler

A rare, eyeless rock crawler found in lava tube caves in the Cascade Range. It is adapted to permanent darkness and cold temperatures.

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Did You Know?

It was discovered in a lava tube cave and has greatly reduced eyes.