The generic, specific and lower catagory names of the Nearctic butterflies. Part 1- The genus Pieris
Published in Journal of Research on the Lepidoptera, in 1962, in volume 1, issue 1, pages 63-71
Date published:1962
Published in Journal of Research on the Lepidoptera, in 1962, in volume 1, issue 1, pages 63-71
Date published:1962