Silver-studded blue - Plebejus argus


Family: Lycaenidae.

Flight Time: Mid June - August. (bivoltine in Europe)

Size: 24-34mm

Altitude: 0-2000m

Notes: Named for its silver mark within the spots on the underside hindwing. There are a couple of very similar species in Europe, to make things even more tricky there are quite a number of named forms of this species! The foreleg has a spine, just visible in the closeup which separates it from the similar Idas blue, Plebejus idas.


Fact File

Similar Species Foodplants Habitat Distribution


Mixed, including Ulex, Cytisus, Lotus etc.

Diverse. Heather clad heathland in UK.

Silver-studded blue distribution

Change map to  


Early Stages




All pictures in these pages copyright to Simon Coombes. Permission must be sought and obtained for any use.