Choristostigma erubescens is a moth in the family Crambidae. It was described by George Hampson in 1899. It is found in Xalapa, Mexico.[1]
The wingspan is about 18 mm. The forewings are yellow, irrorated (sprinkled) with rufous scales. There is an indistinct dark sinuous antemedial line and a leaden annulus in the cell, as well as a postmedial leaden band with black edges. There is a dark point on the costa towards the apex and a waved subterminal leaden band. The hindwings are whitish with a dark discoidal point and traces of a medial line on the inner area.[2]