Conserving Europe’s most endangered butterfly: the Macedonian Grayling (Pseudochazara cingovskii)

The Macedonian Grayling is listed as critically endangered in the recent IUCN Red List of European butterflies because of its extreme rarity and habitat loss due to quarrying. This categorisation was, however, based on rather limited knowledge on its actual distribution, popu- lation size and habitat requirements. In 2012, we conducted field surveys to acquire more information. We found the species at six new sites extending its known range of...