Family : Lycaenidae
![Polyommatus eros, Lycaenidae Polyommatus eros, Lycaenidae](https://www.monaconatureencyclopedia.com/wp-content/uploads/2008/08/Polyommatus-eros.jpg)
The Eros blue (Polyommatus eros) is a species limited to the European heights where can be even frequent. Often mistaken with various congeners, it displays a remarkable sexual dimorphism. The male shows a bright bluish colouring whilst the female is completely brown and opaque. The larvae live in symbiosis with some species of ants © Giuseppe Mazza
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