| Phengaris alcon |
| Authority | : | ([Denis & Schiffermüller], 1775) |
| Synonyms | : | Maculinea alcon |
| Nederlands | : | Gentiaanblauwtje |
| English | : | Alcon Blue |
| Deutsch | : | Lungenenzian-Ameisenbläuling |
| Svenska | : | Alkonblåvinge |
| Français | : | Azuré de la pulmonaire |
| Español | : | hormiguera de las gencianas |
 |
 |
| Theth (Shkodër), Albania; 18 July 2017. | |
 |
 |
 |
| Theth (Shkodër), Albania; 13 July 2017. Ovipositing female. | ||
 |
 |
| Strabrecht, the Netherlands; 17 August 2013. Eggs on Gentiana pneumonanthe. |
|