Nymphalidae Heliconiinae Argynnini Boloria (Clossiana) frigga Boloria (Clossiana) polaris
Boloria (Clossiana) improba (Butler, 1877)
Dusky-winged Fritillary

Genus: Boloria Moore, 1900   Subgenus: Clossiana Reuss, 1920   Original genus: Argynnis Fabricius, 1807

Synonims (species):
   improbula Bryk, 1920

Adult:
B. (Clossiana) improba (© Lars Andersen)
Adult, Nuojla, North Sweden, July 5, 2007
(Photo by Lars Andersen, Nature of Denmark)
B. (Clossiana) improba (© Lars Andersen)
Adult, Nuojla, North Sweden, July 5, 2007
(Photo by Lars Andersen, Nature of Denmark)
B. (Clossiana) improba (© Lars Andersen)
Adult, Gohpascurro/Bjorkliden, Torne Lapmark, Sweden, July 9, 1985
(Photo by Lars Andersen, Nature of Denmark)
B. (Clossiana) improba (© Lars Andersen)
Adult, Gohpascurro/Bjorkliden, Torne Lapmark, Sweden, July 9, 1985
(Photo by Lars Andersen, Nature of Denmark)
B. (Clossiana) improba (© Lars Andersen)
Adult, Gohpascurro/Bjorkliden, Torne Lapmark, Sweden, July 9, 1985
(Photo by Lars Andersen, Nature of Denmark)

Foodplants:
Unknown

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