Spalgis epius has greenish yellow eyes, red striped legs. This species has dark brown upperwings with whitish spots, the spots on females are larger than males. The underside of the wings is grayish with dark stripes and white spots surrounded by brown at the end of the forewings cell. The male wings are more pointed than the female.
Larva: larvae of Spalgis epius have a purplish-brown body and their surface is covered with white smooth setae.
Pupa: the pupa of Spalgis epius is light brown on the dorso-lateral side and whitish-gray on the ventral side. The dorsal side has a thick pattern resembling an ape’s face.
