Natuurbeelden vlinders
Referenties
Lafranchis, T. (2009), Dagvlinders van Europa: Veldgids dagvlinders met determinatiesleutels. Zeist, KNNV.
Rákosy, L. (2012), Indicator butterflies and moths of the High Nature Value dry grasslands of Transylvania, Fundatia ADEPT Transilvania in association with the Romanian Lepidopterological Society.