FIGURE 1. Sampling sites. A in Molecular analyses of groundwater amphipods (Crustacea: Niphargidae) from Luxembourg: new species reveal limitations of morphology-based checklists

FIGURE 1. Sampling sites. A: All sampling sites with aquatic habitats. Red circles indicate locations where no Niphargus specimens were observed; B: Distribution of N. schellenbergi; C: Distribution of MOTUs within the N. aquilex complex. White dots mark localities where two taxa co-occur; D: Distribution of remaining Niphargus taxa.