Hygromia sp.

Hygromia sp. -EP

( Fig. 11; Supporting Information, Fig. S10)

Description

Shell width 10.1–13.6 mm, shell height 6.7–10.7 mm, 5.5–6.3. Other measurements are presented in Table 1. Shell shape globose. Last whorl rounded or slightly angulated with a light band at the periphery. Aperture with a distinct paler lip. Umbilicus mostly entirely covered (93% of cases) by a reflected columellar margin. Sculpture in the form of ridges variously shaped: from minute and single to long, sometimes interconnected ( Fig. 17). Love dart of about 4 mm in length, slightly twisted with clearly demarcated crown at the base ( Fig. 21L–M). Shell and genitalia features are presented in Table 2.

Distribution

In our study, 13 populations were found in a restricted area in the Mediterranean French Pyrenees, east of Bélesta (Supporting Information, Table S1; Fig. 1).

Habitat

Found in open dry rocky habitats (e.g. Belfort-sur-Rebenty and Grote de Majestier, Supporting Information, Fig. S10) and shady wooded sites (e.g. Forêt Bac Estable and Bélesta), in natural environment at altitudes of 350–1350 m a.s.l.

Remarks

Tis entity may represent H. l. sublimbata due to the characteristic appearance of the twisted love dart atributed to this taxon ( Falkner et al. 2002). To prove this assumption, genetic evidence based on topotypes is necessary.