Reference
Josef Grieshuber, Bob Worthy (2006): A revision of Colias wiskotti STAUDINGER, 1882, the available names and
the type material, with a note on Colias alpherakii STAUDINGER, 1882
(Lepidoptera, Pieridae). – Mitteilungen der Münchner Entomologischen Gesellschaft – 096: 43 - 75.