Tags: Arachnid.
A pseudoscorpion (also known as a false scorpion or book scorpion) is an arachnid belonging to the order Pseudoscorpionida also known as Pseudoscorpiones or Chelonethida.Pseudoscorpions are generally beneficial to humans since they prey on clothes moth larvae carpet beetle larvae booklice ants mites and small flies. They are small and inoffensive and are rarely seen due to their size.