The male in this species is characterized by the small amount of marking on the under surface.
1st form of female. Tab. III. fig. 1.
Almost exactly intermediate between the male and the normal female, which resembles P. Erectheus ♀.
Upper side brown-black; a band of four whitish-yellow spots across the anterior wings beyond the cell, the upper one of the same size and position as in the male, the 2nd and 3rd elongated towards the cell, the 4th rather shorter than the 3rd, and immediately beneath it. Posterior wings with a central patch of a pale sulphur-yellow just crossing the end of the cell, and separated below into five truncate lobes; below this, and next the anal margin, are two irregular blue lunules, with a red lunule at the anal angle and a smaller one lower down beneath the second blue lunule.
Under side as above; on the hind wings the upper half of the yellow patch is dusky, and there is a complete submarginal series of seven red lunules.
Hab. Waigiou (a single specimen) (Wall.).
2nd form of female. Tab. III. fig. 3.
Resembles very closely P. Erectheus ♀; but the white patch on the hind wings does not cover so much of the cell, and the two middle lobes are much elongated posteriorly, and separated by wedge-shaped spaces; the blue lunules are but slightly marked, and do not exceed two in number.
Under side:—differs from P. Erectheus in the white patch never reaching the anterior margin of the hind wings. In a specimen from Waigiou, the four middle lunules are nearly white. This may be considered the typical form of female, as it occurs everywhere in company with the male.
3rd form of female (Amanga, Bd.). Tab. III. fig. 4.