Macrosoma albifascia
The species is found in the eastern Andes of South America (Ecuador, Peru, Bolivia). The type locality is Carabaya, Santo Domingo, south-eastern Peru. Male "M. albifascia" has wings of greyish brown ground colour. The apex or the anterior corner of the forewing is dark brown with white band stretching across the wing with prominent dark streak. The termen can have either poorly defined white triangular mark or without white mark, but two dark spot. The length of the forewing is 23–25 mm. Following are the characteristics of the genitalia: The antenna is not bipectinate. The male genitalia of "M. albifascia" are similar to those of "M. cascaria", the wing pattern is quite different, and the shape of the valva differs.
Description ; Male
A subspecies with the name M. albifascia albifascia was defined by Warren.