Morgun D.V. 2017. New data on the distribution of butterflies (Lepidoptera: Hesperioidea et Papilionoidea) of the Kara river basin arctic tundra (Polar Urals) // Russian Entomol. J. Vol.26. No.4: 343–347 [in English].

Moscow Centre of Environmental Education, Regional Research and Tourism, Odesskaya str., 12A, Moscow 117303, Russia. E-mail:

KEY WORDS. Butterflies (Lepidoptera: Hesperioidea & Papilionoidea), arctic tundra, biodiversity, Kara river, Polar Urals.

ABSTRACT. The data on the distribution in the Kara river basin of the extreme north eastern Europe (Russian Federation, Nenetsky Autonomous Okrug and Komi Republic) of 24 butterfly species is presented. The concrete localities of butterfly species are mentioned with the geographical coordinates, their biotopical confideness is described, the relative quantity of species is estimated. The species diversity and its possible change are analyzed. Leptidea morsei (Fenton in Butler, 1881) is stated for the whole territory of the Polar and Subpolar Urals for the first time.

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