Hong Kong Butterflies 17

The Chinese Yellow Swallowtail Butterfly (Papilio Xuthus 柑橘鳳蝶) is a mid-sized, pale yellow, prominently-tailed butterfly. It has a wingspan of 45 to 55 mm. Its normal color pattern consists of a black pattern on a yellow background. The butterfly is a rare species in Hong Kong.

This butterfly was spotted on a sunny morning in the Hong Kong Park on 18 March this month.