Occidenchthonius parmensis Beier, 1963
Chthonius (Ephippiochthonius) parmensis Beier, 1963b: 152–153 .
Occidenchthonius parmensis: Novák 2020: 118–120; WPC 2023.
Occurrence: Austria, Croatia, Germany, Hungary, Italy, Slovenia, Switzerland (WPC 2023).
Known localities in Hungary: Nagykovácsi; Tenkes Hill (Novák 2020).
New data: nil.
Habitat preference: this species has been collected from the leaf litter of oak forest (Novák 2020).
Remarks: Occidenchthonius parmensis was recently reported from south-western and central locations in Hungary.