Discover butterflies in France : Phengaris alcon
?? Phengaris alcon or the Alcon blue is a protected species in France. This butterfly has a complex life cycle involving a specific host plant Gentiana pneumonanthe and Myrmica ants. In summer, females lay eggs on host plant. The caterpillar then feeds on this plant and after the last moult, it drops to the ground.Continue Reading Discover butterflies in France : Phengaris alcon