Boloria thore

Thor's fritillary
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Nymphalidae
Genus:	Boloria
Species:	B. thore
Binomial name
	Boloria thore; Hübner, [1803])
Synonyms
	Clossiana thore;

Boloria thore, the Thor's fritillary, is a butterfly of the family Nymphalidae. It occurs in damp places in the Alps, Fennoscandia, the south of European Russia, the Urals and east across the Palearctic to Siberia and Japan.^[1]^[2]

The wingspan is 28–34 mm. Seitz - A. thore Hbn. (68e). The nymotypical form of this species is easily recognized by the prevalence of black on the upperside. This colour predominates to such a degree as in other species is only the case in melanistic aberrations. Also the ground-colour of the underside is duller than in all the other Argynnis, the hindwing varying from dark brick-red to cinnamon-brown, only the median band being dark yellow. In the Alps, but at moderates heights in the forest region, not above 6000 ft. Also in the high North, Scandinavia and Finland. Northern specimens on the whole paler than alpine ones.^[3]

Biology[]

The species produces one generation every two years.^[1]^[2]

Larvae feed on species of Viola.^[1]^[2]

References[]

^ ^a ^b ^c Львовский А.Л., Моргун Д.В. 2007. Булавоусые чешуекрылые Восточной Европы. Москва: КМК. ISBN 978-5-87317-362-4. pp. 328-329.
^ ^a ^b ^c Tolman, Tom & Richard Lewington. 1997. Butterflies of Britain and Europe. Field Guide. London: Collins. ISBN 0-00-219992-0.
^ 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.

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[lm-1] Львовский А.Л., Моргун Д.В. 2007. Булавоусые чешуекрылые Восточной Европы. Москва: КМК. ISBN 978-5-87317-362-4. pp. 328-329.

[tolman-2] Tolman, Tom & Richard Lewington. 1997. Butterflies of Britain and Europe. Field Guide. London: Collins. ISBN 0-00-219992-0.

[3] 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.

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