Ca anastigma is a moth in the Dalceridae family. It was described by Dyar in 1914. It is found in Panama. The habitat consists of tropical moist forests. The length of the forewings is 6 mm. The forewings are light yellow with a wavy, poorly defined olivaceous shade across the inner third of the wing and in the submarginal area. The outer margin has light yellow areas between the veins and there is a small elongate discal spot, as well as two black dots on the margin near the apex. The hindwings are white. Adults are on wing in February, March, June and from October to December.