SÜPHAN KARAYTUG A1 and SERDAR SAK A1
A1 Biyoloji Bölümü, Fen-Edebiyat Fakültesi, Balikesir Üniversitesi, 10100 Balikesir, Turkey
Psammopsyllus ertunci n. sp. is described from the north coast of Turkey, representing the first record of the genus Psammopsyllus in the Black Sea. The new species is morphologically most similar to P. stri Mielke, 1983 and is differentiated from other species of the genus by a combination of the following characters in both sexes: (i) number of setae/spines on P5; (ii) shape of inner spine on P5; (iii) ornamentation of distal margin of anal operculum; and (iv) length/width ratio of P1 enp-1. Some dubious records of P. operculatus Nicholls, 1945 are reviewed and its alleged variability reported in the literature, discussed.
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