Hautes Alpes, France, July 2013
Jura, France, July 2006
Field notes and information
This taxon is generally now considered to be a high altitude form of the alcon blue, M. alcon. I've retained a separate page for it for historical reasons.
Identification & Similar species: All notes on the alcon blue M. alcon apply to this taxon.
Distribution & Flight: N Spain, southeast France and eastwards. A single brood in June/ July.
Habitat & Behaviour: Fairly dry areas at lower levels and damp meadows amongst trees at alpine levels. Eggs are laid, principally, on cross-leaved gentian, Gentiana cruciata.
Jura, France, July 2006
Vaud, Switzerland, June 2022
Hautes Alpes, France, August 2012
Eggs on cross leaved gentian.
Jura, France, July 2006
Vaud, Switzerland, June 2015
Vaud, Switzerland, June 2015
Vaud, Switzerland, July 2008
Jura, France, July 2006
Jura, France, July 2006
Vaud, Switzerland, July 2020
Vaud, Switzerland, July 2020
Vaud, Switzerland, July 2008
Vaud, Switzerland, June 2022
Vaud, Switzerland, June 2022