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This grid is to provide a quick reference identification guide for those European blues that occur in France. They are all males, except where indicated, although in most cases there is little difference.

The original photographs have been re-oriented, cropped and reduced, so are of lower quality.

Alcon Blue (Phengaris alcon) (F) Mountain Alcon Blue (Phengaris alcon (rebeli)) (F) Large Blue (Phengaris arion) Scarce Large Blue (Phengaris teleius) Dusky Large Blue (Phengaris nausithous)
Small Blue (Cupido minimus) Osiris Blue (Cupido osiris) Provençal Short-tailed Blue (Cupido alcetas) (F) Short-tailed Blue (Cupido argiades) Mazarine Blue (Cyaniris semiargus)
Brown Argus (Aricia agestis) Mountain Argus (Aricia artaxerxes) Geranium Argus (Aricia eumedon) Silvery Argus (Aricia nicias) Holly Blue (Celastrina argiolus)
Silver-studded Blue (Plebejus argus) Idas Blue (Plebejus idas) Reverdin's Blue (Plebejus argyrognomon) Cranberry Blue (Plebejus optilete) Alpine Blue (Plebejus orbitulus)
 
Glandon Blue (Plebejus glandon) Gavarnie Blue (Plebejus pyrenaicus) ©Jude Lock Zephyr Blue (Plebejus pylaon) Amanda's Blue (Polyommatus amandus) Escher's Blue (Polyommatus escheri)
Common Blue (Polyommatus icarus) Chapman's Blue (Polyommatus thersites) Eros Blue (Polyommatus eros) Turquoise Blue (Polyommatus dorylas) Meleager's Blue (Polyommatus daphnis)
Adonis Blue (Polyommatus bellargus) Chalkhill Blue (Polyommatus coridon) Provence Chalkhill Blue (Polyommatus hispanus) Damon Blue (Polyommatus damon) Furry Blue (Polyommatus dolus)
Ripart's Anomalous Blue (Polyommatus ripartii) Green-underside Blue (Glaucopsyche alexis) Black-eyed Blue (Glaucopsyche melanops) Baton Blue (Pseudophilotes baton) Chequered Blue (Scolitantides orion)
 
Long-Tailed Blue (Lampides boeticus) Lang's Short-tailed Blue (Leptotes pirithous) Geranium Bronze (Cacyreus marshalli) (F) Iolas Blue (Iolana iolas) (F)