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Dingy fritillary
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Nymphalidae
Genus:	Boloria
Species:	B. improba
Binomial name
Boloria improba Butler, 1877

Boloria improba, the dingy fritillary, is a butterfly of the family Nymphalidae. In Europe it is only found in small parts of Scandinavia, more specifically the border region between Norway, Sweden and Finland. It is found in alpine or tundra habitats.

The larvae probably feed on Polygonum viviparum in Europe. In North America the food plants are Salix arctica and Salix reticulata nivalis.

Subspecies

The following subspecies are recognized:

• B. i. acrocnema in the San Juan Mountains in southwestern Colorado
• B. i. harryi in the Wind River Mountains in southwestern Wyoming
• B. i. improba in Alaska and northwestern Canada. The Siberian variant which is more yellow are considered the same subspecies, they are called form youngi.
• B. i. improbula northern Scandinavia

• Boloria improba improbula ♂
• Boloria improba improbula ♂ △

References

1. Seitz. A. in Seitz, A. ed. Band 1: Abt. 1, Die Großschmetterlinge des palaearktischen Faunengebietes, Die palaearktischen Tagfalter, 1909, 379 Seiten, mit 89 kolorierten Tafeln (3470 Figuren) This article incorporates text from this source, which is in the public domain.
2. "NatureServe Explorer 2.0". explorer.natureserve.org. Retrieved 2022-03-12.

External links

• Butterflies and Moths of North America
• Butterflies of Canada
• Butterflies of Norway
• Butterflies of Europe

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