| Family | Hesperiidae |
|---|---|
| Subfamily | Pyrginae |
| Genus | Pyrgus |
| Species | alveus |
| Authority | (Hübner, [1803]) |
| English Name | Large Grizzled Skipper |
| European Red List 2010 | Least Concern (LC) |
|---|---|
| EU 27 Red List 2010 | Least Concern (LC) |
| European Red List 2025 | Least Concern (LC) |
| EU 27 Red List 2025 | Least Concern (LC) |
| Habitats Directive | |
| Bern Convention | |
| CITES |
Due to data availability and resolution we include P. trebevicensis, P. accretus and P. alveus in this complex, while we are aware that these taxa are often treated separately. The Large Grizzled Skipper is usually found in mountainous areas on dry, poor, flower-rich grassland, and rough vegetation. Quick-flying and alert, it also likes basking on the ground and drinking from wet mud. It is a very variable butterfly with many different subspecies and forms, making identification difficult. Choosing the smaller leaves, the female lays her eggs singly on various rock-roses (Helianthemum spp.). At first, the caterpillar lives between spun leaves on plants, later on it spins a tent-like shelter on the ground. It passes the winter in this stage and builds a special tube-like structure in which to pupate. There are one or two generations a year.
Albania / Andorra / Austria / Belarus / Belgium (Irregular Vagrant) / Belgium: Wallonia (Irregular Vagrant) / Bosnia and Herzegovina / Bulgaria / Croatia / Czechia / Estonia / Finland / France / France: Mainland / Germany / Greece / Greece: Mainland / Hungary / Italy / Italy: Mainland / Latvia / Liechtenstein / Lithuania / North Macedonia / Moldova / Montenegro / Norway / Poland / Portugal / Portugal: Mainland / Romania / European Russia / Serbia / Serbia: Serbia / Serbia: Kosovo / Slovakia / Slovenia / Spain / Spain: Mainland / Sweden / Switzerland / Ukraine /