Full scientific name:
Phengaris alcon (Denis & Schiffermüller, 1775)
Gorski (močvarni) plavac
Flight Period and Life Cycle
1 brood per year.
Distribution in Croatia
More common in mountains. Check the included map.
External Morphology Characteristics
In males, the upper side of both wings is blue with a thin and dark border on the forewings. In females, the upper side of both wings is brown with bluish basal and discal zones of the forewing. The underside of both wings is greyish-brown. There is a series of prominent dark spots in discal zone of both wings. The series of spots in the marginal zone is pale. The cell spot of the forewing is visible in some individuals.
Imago feeds with nectar of various flowers. It is often found resting on grass or leaves with closed wings.
Caterpillar Host Plants
Gentiana cruciata and Gentiana pneumonanthe
Meadows at edges of woodland and bushes. Elevations: 200-1400m.