L.  Borowiec, Lapeva-Gjonova, A., and Salata, S., ?Three species of Aphaenogaster Mayr, 1853 (Hymenoptera: Formicidae) new to the Bulgarian fauna?, Acta Zoologica Bulgarica, vol. 71, no. 4, pp. 613-616, 2019.

S.  Salata, Borowiec, L., and Radchenko, A. G., ?Description of Plagiolepis perperamus, a new species from east-Mediterranean and redescription of Plagiolepis pallescens Forel, 1889 (Hymenoptera: Formicidae)?, Annales Zoologici (Warszawa), vol. 68, no. 4, pp. 809-824, 2018.