Boloria improba

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Dingy fritillary
Boloria improba - Nature Conservation-001-073-g027.jpg
Scientific classification Red Pencil Icon.png
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. The species is also present in North America in the northeastern part of Alaska and some isolated populations in the Canadian part of the Rocky Mountains, southwestern Wyoming and southwestern Colorado. In Russia it is present in the northeast (the Chukotka region).

Contents

The wingspan is 28–34 mm. Seitz improba Btlr., one of the Lepidoptera which go farthest north, from Nova Semblia, is smaller and above darker [ than frigga]; on the hindwing beneath the median band is somewhat less bright yellow and the rhomb before the middle of the costa is vivid bluish white. [1] It is found in alpine or tundra habitats. [2]

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:

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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)PD-icon.svgThis article incorporates text from this source, which is in the public domain .
  2. "NatureServe Explorer 2.0". explorer.natureserve.org. Retrieved 2022-03-12.