| Family | Nymphalidae |
|---|---|
| Subfamily | Satyrinae |
| Genus | Erebia |
| Species | triarius |
| Authority | (Prunner, 1798) |
| English Name | de Prunner's Ringlet |
| European Red List 2010 | Least Concern (LC) |
|---|---|
| EU 27 Red List 2010 | Least Concern (LC) |
| European Red List 2025 | Near Threatened (NT) |
| EU 27 Red List 2025 | Near Threatened (NT) |
| Habitats Directive | |
| Bern Convention | |
| CITES |
In the Alps, de Prunner’s Ringlet is found on very dry grasslands with scattered rocks, whereas more to the south it occurs in clearings in woods growing on rocky ground, in Spain in clearings in pine forests on limestone. Its foodplants are Sheep’s-fescue (Festuca ovina), Smooth Meadow-grass (Poa pratensis), Alpine Meadow-grass (P. alpina), and Feather-grass (Stipa pinnata). It hibernates as a caterpillar and has one brood a year.
Albania / Andorra / Austria / Bosnia and Herzegovina / Croatia / France / France: Mainland / Italy / Italy: Mainland / North Macedonia / Montenegro / Portugal / Portugal: Mainland / Spain / Spain: Mainland / Switzerland /