Female yellow, tergal and sternal antecostal ridges brown with associated brown area; antennal segments V–VIII brown; forewings weakly shaded. Antennae 8-segmented. Head wider than long, postocular region and ocellar triangle with closely spaced transverse lines; 3 pairs of ocellar setae, pair III close together between hind ocelli. Pronotum with transverse lines; 4 pairs of posteriomarginal setae. Metanotum with parallel longitudinal lines of sculpture on posterior half; campaniform sensilla absent; median setae arise behind anterior margin. Forewing first vein with 3 setae on distal half, second vein with 2 widely spaced setae; posterior fringe cilia straight. Tergites III–VI with median setae small but close together; II–VIII with lateral thirds covered in closely spaced rows of fine microtrichia; VIII with comb complete across posterior margin; IX with several rows of discal microtrichia. Sternites covered with rows of microtrichia except anteromedially.
Male smaller; tergite IX posterior angles without pair of stout curved processes (drepanae).