Three Niphargus species from the Balkans are studied. Niphargus adbiptus, n. sp. is described from Ravanica cave in Serbia. Niphargus stygius ravanicanus S. Kar. 1943 from the same cave (Ravanica) is redescribed. N. valachicus Dobr. Man. 1933, is newly recorded from Bulgaria (Devnja).
Karaman, Gordan S..
XLIX contribution to the knowledge of the amphipoda. On three Niphargus species (Fam. Gammaridae) from the Balkans.
International Journal of Speleology,
Available at: http://scholarcommons.usf.edu/ijs/vol5/iss2/6