Niphargus puteanus, Koch, 1836

Karaman, Gordan S., 2016, On two new Niphargus species (Fam. Niphargidae) from Italy (Contribution to the Knowledge of the Amphipoda 288), Ecologica Montenegrina 5, pp. 70-89 : 71

Niphargus puteanus (part.) G. Karaman, 1993: 239, fig. 117.

Material examined

ITALY: -- Well in Montelupo Albeze, 450 m a.s.l. ( Cuneo , Piemonte), 4 spec. (leg. O. Cavallo) .

Diagnosis (Partially, only males)

Antenna 1 shorter than half of body, peduncular articles progressively shorter, peduncular article 3 short; antenna 2 flagellum longer than last peduncular article. Mandible palpus with elevated number of B, D and E-setae. Maxilla 1 inner plate with 3 setae, outer plate with 7 spines (6 spines with one lateral tooth each), palpus not exceeding distal tip of outer plate spines. Maxilliped inner plate with 3 distal spines, palpus article 4 with 2 setae at inner margin near basis of the nail. Epimeral plates 1-3 with almost subrounded ventroposterior corner and convex posterior margin bearing many very short setae. Coxae 1-4 relatively short, coxa 4 without ventroposterior lobe, coxa 1 with subrounded ventroanterior corner

Gnathopods 1-2 relatively small, remarkably setaceous, with trapezoid propodus having inclined palm, dactylus with several bunches of setae. Pereopods 3-7 stout, strong, with additional spines along inner margin. Pereopods 5-7 stout, with unlobed article 2 bearing numerous setae along posterior margin. Pleopods with 2 retinacula each. Uropod 1 elongated, with dorsointernal row of setae and dorsoexternal row of spines, inner ramus is twice as long as outer ramus, both with numerous setae and short spines. Uropod 3 elongated, inner ramus slender and elongated, outer ramus 2-articulated, second article exceeding half of first article. Telson with numerous short distal, lateral and facial spines.