Aporia nabellica, the dusky blackvein, is a mid-sized to large butterfly of the family Pieridae, that is, the yellows and whites, which is found in India and Pakistan in the western Himalayas: Kashmir to Naini Tal from 2,600 to 4,000 m (8,500 to 13,000 ft). It has a wingspan of 6 to 7 cm.