Madoryx plutonius
Diagnostic description:
Differs from all other species of Madoryx in the acute forewing apex. Forewing upperside with a minute, circular, upper silver spot and an elongate, triangular lower silver spot.
Male genitalia: Gnathos lobes longer than in the other species of Madoryx, about 2-3x length of the uncus lobes. Harpe broadly triangular, somewhat upcurved. Phallus elongate-acuminate, densely spinose along the edges, on the upper surface along the right side and at end, ventro-laterally, these last generally broken off, being loosely inserted in the membrane of the lateral and ventral apical surfaces of phallus.