This involves 8 species and subspecies belonging to 4 genera of Buthidae, viz: Mesobuthus martensii (Karsch, 1879), M. eupeus mongolicus (Birula, 1911), M. e. thersites (Koch, 1839), M. caucasicus intermedius (Birula, 1897), M. c.

• thersites(C.；L