Not found in the UK.
Size and Family
- Family: Blues
- Size: Small / Medium
- Wing Span Range (male to female): 30-36mm
Conservation Status
- Butterfly Conservation priority: Low
- European Status: Vulnerable
Caterpillar Foodplants
Caterpillars feed on Marsh Gentian (Gentiana pneumonanthe)
Habitat
Damp meadows below 1000m
Distribution
- North Portugal, west Pyrenees, much of France and eastwards across Germany and to northern Greece.
- Distribution Trend Since 1970s: N/A
Alcon Blue (underwing) - Kasia Bukowska
Alcon Blue (underwing)
Kasia Bukowska
Alcon Blue (male/underwing) - Nigel Kiteley
Alcon Blue (male/underwing)
Nigel Kiteley
Iain H Leach
Emperor Moth
Iain H Leach
Alcon Blue (underwing) - Ilia Ustyantsev
Alcon Blue (underwing)
Ilia Ustyantsev
Alcon Blue (eggs) - Ilia Ustyantsev
Alcon Blue (eggs)
Ilia Ustyantsev
Alcon Blue (eggs on Cross Gentian) - Marcell Kárpáti
Alcon Blue (eggs on Cross Gentian)
Marcell Kárpáti
Alcon Blue (eggs) - Ilia Ustyantsev
Alcon Blue (eggs)
Ilia Ustyantsev
Alcon Blue (egg) - Ilia Ustyantsev
Alcon Blue (egg)
Ilia Ustyantsev
Alcon Blue (egg) - Marcell Kárpáti
Alcon Blue (egg)
Marcell Kárpáti