Butterflies
迁粉蝶
Lemon Emigrant
Catopsilia pomona
Lemon Emigrant is a common Pieridae in Wetland Park which is also widely distributed in Hong Kong. It appears year-round, but is most numerous in early summer. It has several forms and the wings are generally yellow. It is a swift flyer. The beautifully-flowered Winged Cassia (Senna alata) is one of its larval food plants.