This key species were chosen after studying their connection with the other flora and fauna species, as they act as polinnators, consumers and food for other fauna species.
Lepidoptera: Calophrys rubi, Melitea cinxia, Scoliantides orion, Plebeius idas, Coenonympha pamphylus, Melitea phoebe, Coenonympha arcania, Neptis rivularis, Hamearis lucina, Maculinea arion, Parnasius mnemosyne distincta, Zygaena filipendulae, Melitea ornata kovacsi, Polyommatus amandus, Lycaena alciphron, Argynnis pandora, Colias erate, Iphiclides podaliurus, Thecla betualae, Zerynthia polyxena, Pontia edusa, Mellicta aurelia, Coenonympha glicerion, Hipparchia fagi.