A new scorpion species, Euscorpius popovi sp. nov., is described from southwestern Bulgaria and northeastern Greece based on morphological and molecular evidence analyses.
Tropea, G., Fet, V., Parmakelis, A., Kotsakiozi, P., & Stathi, I. 2015 . A new species of Euscorpius from Bulgaria and Greece (Scorpiones: Euscorpiidae). Euscorpius, No. 207: 1-15.