About Callionima nomius Walker, 1856
The wingspan of Callionima nomius ranges from 70 to 80 mm. This species can be immediately distinguished from all other species in the genus Callionima by the pattern on the forewing upperside and the color of the hindwing upperside. The forewing upperside is deep brown, with a pale brown triangular patch on the costa and a silver discal spot that appears only as a minute dot. The hindwing upperside is dark brown, with a buff-colored base. Callionima nomius is distributed from Mexico and Central America to the northwestern half of South America.