Euphydryas maturna habitat in a commercial, thinned spruce-dominated forest. Such habitats are probably suitable after thinning for several years.

 
  Part of: Nieminen M (2015) Melampyrum sylvaticum as a pre-diapause host plant of the scarce fritillary (Euphydryas maturna) in Finland. Biodiversity Data Journal 3: e5610. https://doi.org/10.3897/BDJ.3.e5610