Niphargus puteanus (Koch in Panzer, 1836)

Fišer, Cene, Zagmajster, Maja & Dethier, Michel, 2018, Overview of Niphargidae (Crustacea: Amphipoda) in Belgium: distribution, taxonomic notes and conservation issues, Zootaxa 4387 (1), pp. 47-74: 53-54

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Niphargus puteanus (Koch in Panzer, 1836)


Niphargus puteanus (Koch in Panzer, 1836)  

Published record: L.162—Fange aux Mochettes ( Leloup & Jacquemart 1963).

The species was discovered in a peat-bog, near the Baraque Fraiture, between Laroche-en-Ardenne and Vielsalm ( Leloup & Jacquemart 1963; Fig. 4 View FIGURE 4 ; App. 1). The species is otherwise distributed in Upper Rhine and Upper Danube valleys (Fišer et al. 2017). As we could not study the material from Belgium, we cannot give any conclusions on species true identity.  

In any case, the finding is rather interesting from ecological point of view. The locality is at an elevation of 600 m, in a forest brook draining a peat bog of type Vagineto-Sphagnetum. Specimens were collected in the root net of Molinia   obstructed by sand and in very acid water. It may inhabit the water sheet between the peat and the bedrock and was washed in the brook by a flood. Only a few Niphargus   species inhabit such shallow subterranean habitats ( Fišer et al. 2006, 2010; 2015b; Copilaş-Ciocianu et al. 2017), and the specimens from Belgium would be the northern most record of this kind of species.