Name of the species: Clossiana dia Linnaeus, 1767 Weaver's Fritillary or Violet Fritillary, Magerrasen-Perlmutterfalter oder Hainveilchen-Perlmutterfalter, Petit violette, Перламутровка дия.
Distribution and biological peculiarities in Armenia: The species is found in Europe, over the Caucasus up to Mongolia. It is widespread and common across southern France. In Europe it occurs from northern Spain, Italy and Greece to Poland, the Balkans and Turkey. It is not found in Britain.
Population dynamics: The species is slightly uncommon within typical habitat.
Conservation measures: The species is not included in the Global and European Red Lists.