| Damon Blue (Polyommatus damon (Denis & Schiffermueller, 1775)) |
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Scientific name: Polyommatus damon (Denis & Schiffermueller, 1775) Common name: Damon Blue Other names: Other scientific name: Agrodiaetus damon. French name: Sablé du sainfoin Order: Lepidoptera Suborder: Rhopalocera Family: Lycaenidae Subfamily: Polyommatinae Wingspan: 30-34 mm. Biotope: Mountain meadows and shady places at an altitude between 1300m and 2200m. Geographic area: European mountains except extreme northern areas. Kazakhstan, Mongolia. Flight time: July-August. Number of generations : 1 Caterpillar: Hairy, yellowish-green with a dorsal and lateral dark green lines. It grows with Lasius niger ants and Black-Backed Meadow Ants (Formica pratensis). Host plant: Sainfoin (Onobrychis viciifolia) |
The upper side of the male's wings is a sky blue colour with a wide (about 3mm) dark brown outer border. The upper side of the female's wings is brown. On both sexes, the underside of the wings is pale brown with black spots, larger on the forewings than on the hindwings. A typical white streak crosses the hindwing. The Damon Blue overwinters as an egg or as a young caterpillar. |
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The white streak on the underside of the hindwing and the wide brown outer borders on the upper side are some of the main characteristics of Damon Blues. |
André Bon November 2007