Xenolpium longiventerXenolpium longiventer is a species of pseudoscorpion in the Olpiidae family. It is endemic to Australia. It was described in 1885 by German arachnologists Ludwig [Carl Christian Koch] and Eugen [von Keyserling].Distribution and habitatThe species occurs in Queensland, Tasmania and Victoria. The type locality is Peak Downs in Queensland's Central [Highlands Region]. The pseudoscorpions inhabit plant litter.BehaviourThe pseudoscorpions are terrestrial predators.