163. Orthochordeumella pallida (Rothenbühler, 1899)

Chordeuma pallidum Rothenbühler, 1899 .

Allochordeuma pallidum auct.

Orthochordeumella pallida cebennica Liechtenstein in Brolemann, 1935.

Orthochordeumella cebennica auct.

Distribution

AT, BE, CH, DE, FR-FRA, GB-GRB, LU, SE.

Habitat

Largely montane and also subalpine, up to 2740 m a.s.l. in Switzerland but found in lowland parts of Northeastern France and Belgium in particular. Generally in woodland. Synanthropic in northern Germany, Sweden (one find, 2018, Freddy Persson leg., HE det.) and Scotland (Davidson & Weddle 2021)

Remarks

The species has a very unusual distribution. The taxon cebennica, regarded as a full species, e.g., by Mauriès (1985), has been found several times in the Cevennes region. It is troglophile – most of the records are from caves.