Troglochaetus Delachaux 1921

Dole-Olivier, Marie-José, Galassi, Diana M. P., Fiers, Frank, Malard, Florian, Martin, Patrick, Martin, Dominique & Marmonier, Pierre, 2015, Biodiversity in mountain groundwater: the Mercantour National Park (France) as a European hotspot, Zoosystema 37 (4), pp. 529-550 : 534-536

Genus Troglochaetus Delachaux 1921

Troglochaetus beranecki Delachaux, 1921 ( Fig. 2A )

Troglochaetus beranecki Delachaux, 1921: 4 .

MATERIAL EXAMINED. — Site 8: 66 specimens; site 21: 2 specimens; site 22: 15 specimens; site 27: 4 specimens; site 28: 1 specimen; site 37: 1 specimen; site 46: 9 specimens. Material deposited at IRScNB, I.G. 32392.

REMARKS

Collected for the first time in the Mercantour National Park.

Class CLITELLATA Michaelsen, 1919 Family NAIDIDAE Ehrenberg, 1828 Subfamily PHALLODRILINAE Brinkhurst, 1971 Genus Aberrantidrilus Martin in Martin, Schmelz & Dole-Olivier, 2015

Aberrantidrilus stephaniae

Martin, 2015

Aberrantidrilus stephaniae Martin in Martin et al., 2015: 556.

MATERIAL EXAMINED. — Site 9: 17 specimens, mounted on slides, and many mostly immature specimens and fragments in absolute alcohol, from unsorted material. Material deposited at IRScNB, I.G. 32392 and MNHN HEL 524 (holotype) see also Martin et al. 2015, this issue.

REMARKS

To date, only known from hyporheic habitat of the Bévéra River in the Mercantour National Park. Aberrantidrilus is a thalassoid, subterranean freshwater genus, representative of the primarily marine tubificid subfamily, the Phallodrilinae , which is known to be occasionally present in ground waters as well ( Creuzé des Châtelliers et al. 2009)

Family LUMBRICULIDAE Vejdovský, 1884

Figures

FIG. 2. — Some representative species collected in the Mercantour National Park:A, Troglochaetus beranecki Delachaux,1921,length 0.6 mm;B, Parabathynella sp., length 1.5 mm; C, Nipargus foreli Humbert, 1877, length 8 mm; D, Proasellus sp., length 4 mm. Photographs: A-C, M.-J. Dole-Olivier; D, F. Malard.