280. Hypsoiulus alpivagus (Verhoeff, 1897)

Iulus (Leptoiulus) alpivagus Verhoeff, 1897 .

Distribution

AT, CH, DE, FR-FRA, IT-ITA. Alpine.

Habitat

Mainly alpine; when lower down it is generally in deep, cool gorges or in caves. Petrophile on sedimentary rocks – rocky outcrops, screes, bases of cliffs, old river beds, limestone pavements and alpine meadows in mosaics with stony and rocky places. Found between 600 m and 2800 m in Switzerland (Pedroli- Christen 1993), as low as 500 m in Vorarlberg, Austria (Mathis 1951).

Remarks

Two varieties have been described, the small typical form and the taxon alpivagus suevicus Verhoeff, 1908, the latter being larger and rare, confined to a few sites in Germany and Switzerland.