Mesobuthus eupeus is a polymorphic scorpion species belonging to the well-known family Buthidae.

The dorsal segments (tergites) of the mesosoma often have longitudinal irregular stripes that are black to dark brown.

[citation needed] Victims of stings feel intense pain, hyperemia, swelling and a burning sensation in the affected area, while numbness and itching were also reported in some cases.

[8] As in other scorpions, the venom of M. eupeus contains various neurotoxic proteins that interact specifically with ion channels.

A number of unique proteins in this scorpion's venom have been identified,[9] cloned and investigated for clinical applications.

Its geographical distributions consists of eastern Turkey,[4] Armenia, Azerbaijan, Georgia, southern Russia, northern Syria, eastern Iraq, Iran,[18] Afghanistan, Pakistan, Turkmenistan, Uzbekistan, Kyrgyzstan, Tajikistan, Kazakhstan, Australia, southern Mongolia and northern China.