Papilio antonio

Papilio antonio is a butterfly of the family Papilionidae. It is endemic to the Philippines.

The wingspan is 90–110 mm.Forewing above at the hindmargin with triangular white area, which forms the continuation of a large white area of the hindwing; both areas also present beneath. The hindwing beneath with a continuous row of pale yellow submarginal spots, the posterior spots more ochreous. The female quite similar to the male, the white areas somewhat larger. Very similar to Papilio noblei.

Subspecies
There are two recognised subspecies:
 * Papilio antonio antonio (Basilan, Leyte and Mindanao)
 * Papilio antonio negrosiana Schröder & Treadaway (Southern Negros)

Taxonomy
Papilio antonio is a member of the noblei species-group; closely related to the demolion species group. The members of this clade are
 * Papilio antonio Hewitson, [1875]
 * Papilio noblei de Nicéville, [1889]