A Second New Amphipod species from the Peynirlikonu Cave (EGMA Cave): Gammarus egmao sp. nov. (Crustacea: Amphipoda)

Abstract

Another new amphipod species, Gammarus egmao sp. nov., from Peynirlikonu Cave [Evren Gunay Mehmet Ali Ozel (EGMA) Cave] was identified. The specimens of the new species were sampled from 350 m inside of the cave entrance. This is the second species identified from the cave in addition to Gammarus ustaoglui Ozbek and Guloglu, 2005. The newly identified species has the following characteristic features: a) small eyes, b) 2-segmented accessory flagellum of antenna II, c) aesthetascs on the flagellar segments of antenna I, d) reduced armaments in distal part of palp of maxilla I e) short inner ramus of uropod III and reduced setation on margins of rami of uropod III. A detailed description of holotype female and illustrations of the appendages were presented. Additionally, differences from the related species were discussed.