Withius piger is a species of pseudoscorpion in the Withiidae family. It was described in 1878 by French arachnologist Eugène Simon.
Distribution and habitat The species has a cosmopolitan distribution, often in human-dominated environments, and has been widely introduced. The type locality is Bou Saâda, Algeria.
Behaviour The pseudoscorpions are synanthropic, terrestrial predators.
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