The Hemina Pinon moth has a total length of approximately 7/8 inch (20-22 mm). There is a light form and a dark form. The light form (shown here) is a warm brown with darker brown bands in the median and subterminal areas. There is a small black rectangular patch in the median area. The dark form is sooty brown in the inner half of the forewing and with a contrasting pale costa and orbicular and reniform spots. The hindwings are plain brown. The caterpillar is brownish-gray with dorsal black chevrons and often has faint tan to yellow mid-dorsal and subdorsal stripes. It grows to 1.5 inches (4 cm).