Melanostoma alpinum Szilády, 1942

Notes. Reported from: North Tyrol (NT) and Vorarlberg (VB). Szilády (1942: 624) described this species and published records from North Tyrol and Vorarlberg. Aistleitner et al. (2020) recently reported this species for Vorarlberg. Nevertheless, M. alpinum is excluded from the checklist, as this species identity remains unresolved.