Dusky Large Blue
Full scientific name:
Phengaris nausithous (Bergsträsser, 1779)
Zagasiti livadni plavac
Flight Period and Life Cycle
1 brood per year. In the cycle of biological development, the caterpillar feeds on ant larvae of the genus Myrmica.
Distribution in Croatia
The far north. Check the included map.
External Morphology Characteristics
The underside of both wings is brown. In the postdiscal zone of both wings, there is a single series of dark spots. In males, the upper side of wings is blue with a wide dark margin on both wings. In females, the upper side of wings is brown with a bluish basal zone on the forewings.
Caterpillar Host Plants
Great Burnet (Sanguisorba officinalis)
Marshy grassland and damp woodland. Elevations: 50-300m.