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 : 79

Niphargus puteanus (part.) G. Karaman, 1993: 239, fig. 116.

Material examined

ITALY: - Sesta Godano , Passo del Rastrello, 1000 m a.s.l. (N. of La Spezia), 6.7.1969, 6 spec. (leg. N. Sanfilippo) ;

-- Spring in Monte Gottero , Pien di Messo (NE of La Spezia), 1000 m a.s.l., 18.5.1975, 6 spec. (leg. N. Sanfilippo) .

-- Val`Aveto, springs, Rezzoaglio (Genova), 24.10.1958, 3 exp. (leg. M. Mariani);

-- Appenino Emigliano, Bedonia, springs of torrent Lecce, 1300 m a.s.l. 12.8.1976 2 spec. (leg. Rovizza).

Diagnosis

Body slender, in male’s urosomal segment 1 with 1 seta on each side, urosomal segment 2 with 2 spines. Epimeral plate 3 distinctly acute, with concave posterior margin. Coxae 1-4 shallow in males; Maxilla 1 inner plate with 3-4 setae, 6 spines of outer plate with 1 lateral tooth, one spine with 2-3 teeth. Maxilliped inner plate with 4 spines. Propodus of gnathopods 1-2 longer than broad with dactylus bearing row of single and bunches of setae; L-spines are sitting laterally of S-spine.

Dactylus of pereopods 3-7 with 2-3 spines at inner margin. Article 2 of pereopods 5-7 without ventroposterior lobe. Pleopods with 2 retinacula. Uropod 1 peduncle with dorsoexternal row of short spines and dorsointernal row of setae (except distal spine), inner ramus twice as long as outer one, with lateral and distal spines and simple setae. Uropod 1 peduncle with dorsointernal row of setae (except distal spine). Uropod 2 inner ramus longer than outer one, with longer distal spines. Uropod 3 in males long, outer ramus 2-articulated, second article slightly shorter than first article; in females much shorter than first article. Telson with long distal, lateral and facial spines.