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Boloria angarensis
Boloria angarensis is a small butterfly found in the Palearctic that belongs to the browns family.
From the article Boloria angarensis on Wikipedia (CC BY-SA), quoted section by section
Description
A. angarensis Ersch. (67h). About the same size as the previous [A. iphigenia Graes]; the forewing less elongate. The underside of the hindwing bears a very close resemblance to that of A. selenis sibirica, but the costal spot of the median band is essentially different in shape, as shown in the figure. Moreover, angarensis has a row of silvery marginal spots, which are absent in sibirica or only indicated. The female larger and paler. — In Amurland, in June, locally very common.
Wikipedia: “Description from Seitz”
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Every page naming Boloria angarensis in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 1007802.