Oeneis rosovi

Oeneis rosovi, the Philip's Arctic[2] or early Arctic,[1] is a species of butterfly in the subfamily Satyrinae.

It occurs in Siberia and the northern parts of North America.

The wing span of O. rosovi is 42 to 52 mm.

The upperside of the hindwings are a darker grey medially.

[2] Oeneis rosovi occurs in northern British Columbia, in central Yukon, at Inuvik, Northwest Territories, and westward through Alaska to eastern Siberia.