Niphargus koukourasi Ntakis, Anastasiadou, Zakšek & Fišer, 2015

Published records: Ntakis A., Anastasiadou C., Zakšek V. & Fišer C. (2015).

Distribution: Endemic to Greece: Epirus (IO).

Type material: Holotype: male 14.5 mm (voucher NC008), Springs of Louros River, Vouliasta, Ioannina, Hellas, 25.04.2004, (leg. C. Fišer & R. Verovnik), in sampled excavations along the coast of the springlake, Ntakis et al. (2015) . Paratypes: male 14.5 mm (voucher NC009); females of 14.3 mm (voucher NC010) and 13.6 mm (voucher NC011) respectively, data same as for holotype:, Ntakis et al. (2015). Holotype and paratype are deposited in DBUL .

Remarks: A species that is related morphologically and phylogenetically to N. sanctinaumi from Lake Ohrid, N. Macedonia (Ntakis et al. 2015). It is known only from its type locality, together with another endemic species, N. lourensis (Fišer et al. 2006) .

Etymology: The species is named in honour of the zoologist, retired Professor of Zoology Athanasios Koukouras of the University of Thessaloniki.