Sathrochthonius tuena is a species of pseudoscorpion in the Chthoniidae family. It is endemic to Australia. It was described in 1962 by American arachnologist Joseph Conrad Chamberlin.
Distribution and habitat The species occurs in eastern New South Wales. The type locality is ‘probably in the Blue Mountains near Sydney’.
Behaviour The pseudoscorpions are cave-dwelling, terrestrial predators.
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