Phengaris alcon
| Alcon blue | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Arthropoda | 
| Class: | Insecta | 
| Order: | Lepidoptera | 
| Family: | Lycaenidae | 
| Genus: | Phengaris | 
| Species: | P. alcon | 
| Binomial name | |
| Phengaris alcon (Denis & Schiffermüller, 1775) | |
| Synonyms | |
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Phengaris alcon, the Alcon blue or Alcon large blue, is a butterfly of the family Lycaenidae and is found in Europe and across the Palearctic to Siberia and Mongolia.