Boloria thore (Hübner, 1803)
Thor’s fritillary
on Viola
parasite
Larvae at the leaves.
host plants
Violaceae, monophagous
Viola biflora.
distribution within Europe
PESI (2022).
egg, larva
see Lepiforum, Pyrgus.
references
Lepiforum (2022), pyrgus.de (2022), Verovnik, Glogovča & Gomboc (2020a).