Under the plenary power the Commission has conserved the species-group name Helix (Helicogena) aspersa insolida Monterosato, 1892 (currently Erctella insolida; Gastropoda, Pulmonata, helicidae) by suppressing Helix (Campylaea) insolida Brusina, 1876 and Helix (Campylaea) insolida Pfeiffer & Clessin, 1881.
Helix (Helicogena) aspersa insolida Monterosato, 1892 (currently Erctella insolida; Gastropoda, Pulmonata, helicidae): species-group name conserved," The Bulletin of Zoological Nomenclature 72(4), 316-317, (1 December 2015). https://doi.org/10.21805/bzn.v72i4.a14