R.  Bekchiev, ?Faunistical research on Pselaphinae fauna (Coleoptera: Staphylinidae) in several regions of south-west Bulgaria?, Sofia University 'St. Climent Ohridski", Sofia, 2007.

M.  Schulke and Smetana, A., Catalogue of Palaearctic Coleoptera - Pselaphinae, vol. 2.1. Brill Books, 2015.

A.  Lapeva-Gjonova, ?Ant-Associated Beetle Fauna in Bulgaria: A Review and New Data?, Psyche, vol. 2013, pp. 1-14, 2013.

I.  Löbl and Besuchet, C., ?Staphylinidae: Pselaphinae,?, in Catalogue of Palaearctic Coleoptera. Vol. 2. Hydrophiloidea - Histeroidea - Staphylinoidea., I.  Löbl and Smetana, A., Eds. Stenstrup: Apollo Books, 2004, pp. 272-329.

Z.  Karaman, ?Über einige neue und interessante Pselaphiden Vertreter der Balkanhalbinsel.?, Fragmenta Balcanica, Musei Macedonici Scientiarum Naturalium, vol. 7 , pp. 9-20, 1969.

A.  Lapeva-Gjonova, ?Pselaphinae (Coleoptera: Staphylinidae) from Ant Nests (Hymenoptera: Formicidae) in Southwestern Bulgaria?, Acta Zoologica Bulgarica, vol. 56, pp. 69-73, 2004.

R.  Bekchiev, ?A study of the Pselaphinae (Coleoptera, Staphylinidae) in the Rhodope Mountains (Bulgaria)?, in Biodiversity of Bulgaria 4. Biodiversity of Western Rhodopes (Bulgaria and Greece) II., P.  Beron, Ed. Sofia: Pensoft Publishers & National Museum of Natural History, Bulgarian Academy of Sciences, 2011, p. 267?278.

R.  Bekchiev, ?Faunistic review and description of a new species of Pselaphinae (Coleoptera:Staphylinidae) from the Strandzha Mountains (Bulgaria and Turkey)?, Turkish Journal of Zoology, vol. 37, pp. 431-440, 2013.

P.  Hlavá?, Bekchiev, R., R??i?ka, J., and Lackner, T., ?Contribution to the knowledge of myrmecophilous beetles (Coleoptera) of Bulgaria.?, Acta Societatis Zoologicae Bohemicae, vol. 71 , pp. 131-136, 2007.

R.  Bekchiev, ?The subfamily Pselaphinae (Coleoptera: Staphylinidae) of southwestern Bulgaria. I.?, Historia Naturalis Bulgarica, vol. 19, pp. 51-71, 2008.