Hong Kong Butterflies 20

Another common butterfly, the Common Gull ( Cepora nerissa 黑脈園粉蝶) photographed in the Hong Kong Park today. This is a small to medium-sized butterfly,  which belongs to the Pieridae family (Yellows and Whites).

The Common Gull is white on the upperside with black wing margins and yellow with black markings on the underside. The colours are bright in the wet season form and dull in the dry season form.