Chinese Rock Crawler vs Orthoclad Stream Midge

Side-by-side species comparison

Attribute Chinese Rock Crawler Orthoclad Stream Midge
Scientific Name Galloisiana sinensis Orthocladius oblidens
Order Grylloblattodea Diptera
Family Grylloblattidae Chironomidae
Size 15-25 mm 3-5 mm
Habitat Mountains Rivers & Streams
Diet Detritivores Detritivores
Regions East Asia, China Europe, North America
Conservation Data Deficient Least Concern

Chinese Rock Crawler

A rare ice crawler found in mountainous regions of China. It is wingless and nocturnal, emerging only in cold conditions to forage on the surface.

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Did You Know?

Rock crawlers can take five to seven years to reach maturity due to the cold temperatures slowing their metabolism.

Orthoclad Stream Midge

A small non-biting midge typical of cold running water habitats. Larvae build silk tubes on stone surfaces in stream riffles.

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Did You Know?

Orthocladiinae midges are often the most species-rich insect group in pristine mountain streams.