Minacragides arnacis

Minacragides arnacis is a moth in the Dalceridae family. It was described by Dyar in 1909. It is found in Colombia, Venezuela, Guyana, Surinam and Peru. The habitat consists of tropical moist, tropical premontane wet and tropical premontane moist forests.

The length of the forewings is 8–9 mm. The forewings are pale yellow, suffused with light brown. The outer margin has concave white areas around dark fuscous streaks between the veins. The discal spot is dark brown and there is a tuft of brown-tipped scales below the anal angle. The hindwings are white, with a faint terminal line. Adults are on wing from February to August and November to December.