A new freshwater amphipod species, gammarus katagani sp. nov., from turkey: (Amphipoda: Gammaridae)

A new species of freshwater Amphipod, Gammarus katagani sp. n., collected from Domaniç in Kütahya province, Turkey, is described and illustrated. The new species belongs to the Gammarus balcanicus-group. The presence of an additional row of setae on the last two meta-some segments in both sexes is the most diagnostic character for the species. A detailed morphological description and illustrations of the new species are given and differences from related species are discussed. © 2012 Taylor & Francis Group, LLC