Xenesthis intermedius and Xenesthis intermedia both refer to the same species, it's just a spelling variant because nobody is quite sure how the Latin should go. Both are correct though.

But as Boanerges said, keep them like an X. immanis, high-ish humidity, a good amount of soil to let them burrow if they choose (though they may not burrow, like mine), and pay attention when you're opening the cage because they're lightning quick and easy to start.