See text Cepora nerissa, the common gull,[1][2] is a small to medium-sized butterfly of the family Pieridae, that is, the yellows and whites, which is native to Sri Lanka, India, China, southeast Asia, and Indonesia.

[1][2] Male upperside: white, a greyish-blue shade at base of the wings and along the veins, due to the dark markings on the underside that show through.

Upperside: veins more broadly bordered with black; in many specimens only the following portions of the white ground colour are apparent.

[3] The species lives in the north-western Himalayas up to 4,000 feet (1,200 m); Nepal; Sikkim; Bhutan; Bengal: central, western, and southern India; Ceylon.

(de Nicéville MS)[3] Subspecies are:[1][2] Cepora lichenosa is treated as a full species by some authors.