Key to the species of Megachernes Beier (Pseudoscorpiones: Chernetidae), with notes on M. afghanicus and M. pavlovskyi

An identification key is presented for all described species of the pseudoscorpions belonging to the genus Megachernes. Megachernes afghanicus Beier, 1959 is also considered as a junior subjective synonym of M. pavlovskyi Redikorzev, 1949.