Polyommatus daphnis

Dental Wings 's Blue Polyommatus daphnis ♀

The dental wing Blue ( Polyommatus daphnis ) is a butterfly ( butterfly ) of the family Lycaenidae ( Lycaenidae ). He has received by virtue of teeth row -like bulges of the hind wing edges his German style name. The dental wing 's Blue can be classified by beginners through the wavy edge of the hind wings incorrectly as Hairstreak, but these have no points on the wing underside. The scientific species name of the dental wing Bläulings refers to the shepherd Daphnis, Sicily, son of Hermes and a nymph in Greek mythology.

Features

The male has a forewing length of 18 to 19 mm and is slightly larger than the female. Upper hand, the wings of the males are bright blue to turquoise with narrow dark brown seams. The underside is light gray and slightly darker on the hind wings. The black spots are outlined in white. The cell of the forewing has no Diskoidalfleck, on the hind wings there is no orange spots on the outer edge. The top of the female is stronger blue with black Diskoidalfleck. At the front and outer edge of the dark seams are strong. The bulges at the back edge of the wing are more pronounced. The wing underside is gray-brown with a white mop and otherwise resembles the male. The dark form steeveni the female has a gray-brown upper wing surface and diffuse whitish or gray-brown spots limited. The green caterpillar has yellow Rückenwülsten and highly prominent black spiracles.

Flight time

Polyommatus daphnis is einbrütig, ie it produces only one generation, the flies from June to August.

Habitat and behavior

The dental wing Bluebird lives in warm, flower- rich areas and preferably calcareous soil. In Germany, the dental wing Bluebird especially on limestone slopes and poor grass in primary succession stages happens. The caterpillar feeds on Astragalus ( Astragalus ) and sainfoin species ( Onobrychis ) and Colorful Kronwicke ( Securigera varia). Eggs are laid on the leaves of the caterpillar food plant. Shaded plants are preferred in very hot and dry habitats. The caterpillar lives in symbiosis with the strangers garden ant ( Lasius alienus ), the Great meadow ant ( Formica pratensis ) and the black flower ant ( Tapinoma erraticum ). Overwintering takes place as an egg or young caterpillar.

Dissemination

Polyommatus daphnis comes locally in northern Spain in the provinces of Madrid, Burgos, Cuenca, Teruel ( Montes Universal ), Logroño (Sierra de la Demanda ) and in the lower lengths of the Pyrenees of Huesca to Girona ago. In southern France of the Eastern Pyrenees over the Massif Central and Savoy to the Alps and the Apennine peninsula to Sicily. In the north of Italy ( Po Valley ) lacks the kind mostly, but comes back in front in South Tyrol, as well as along the eastern Adriatic coast to Greece. The shape steeveni the female comes in the Southern Alps and in Spain almost exclusively. In Germany, the type of the Rhön about Franconia and the Franconian Jura to the Danube occurs. To the west there are few locally strongly localized sites in the land and in Tauberlandpark. About the Czech Republic, Slovakia, southeastern Poland, Hungary, Romania, eastern Bulgaria to the Black Sea. In the Crimea, and sporadically in southern Russia. The distribution extends eastwards to Iran. In the Alps, the type does not rise very high and is limited to the southern valleys. In mountains it rises to over 1500 meters.

Endangering

The species is endangered in Germany, as well as species with geographical restriction of particular interest (Rote Liste BRD: 2). Across Europe, the dental wing 's Blue is not endangered, and his portfolio is valued in the Red Data Book of European Butterflies over 25 years ( 1974-1999 ) as stable.

Synonyms

  • Meleageria meleager, Esper 1779

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