| Family | Lycaenidae |
|---|---|
| Subfamily | Polyommatinae |
| Genus | Agriades |
| Species | aquilo |
| Authority | (Boisduval, 1832) |
| English Name | Arctic Blue |
| European Red List 2010 | Least Concern (LC) |
|---|---|
| EU 27 Red List 2010 | Least Concern (LC) |
| European Red List 2025 | Endangered (EN) |
| EU 27 Red List 2025 | Endangered (EN) |
| Habitats Directive | HD II |
| Bern Convention | |
| CITES |
This species occurs exclusively in Northern Fennoscandia. It occurs on slate and shale rocks with patches of grassy vegetation and with Crowberry (Empetrum nigrum), especially in areas sheltered from the northwestern wind. It lives in elevations between 0 and 900 m asl. Larval foodplants are Saxifraga aizoides and S. oppositifolia. The small larvae feed on the flower buds and hibernate. Later the larvae feed on the leaves. The species has one generation which is on the wing from late June until early August. It is often considered as a subspecies of Plebejus glandon.
Finland / Norway / European Russia / Sweden /
No larval foodplants are available for this species.