Reference

Martin Gascoigne-Pees, Duncan Trew, Jim Pateman, Rudi Verovnik (2008): The distribution, life cycle, ecology and present status of Leptidea morsei (Fenton 1882) in Slovenia with additional observations from Romania (Lepidoptera: Pieridae) – Nachrichten des Entomologischen Vereins Apollo – 29: 113 - 121.