Polyplectropus impluvii

Wise's original text (the type description) reads as follows:

A small species. Anterior wings medium brown, unicolorous except for a few faint, pale marginal spots about apex. Length of anterior wing, ♂, 7–7.5 mm (0.28–0.30 in)., ♀, 8.5–9 mm (0.33–0.35 in). Genitalia, ♂ (fig. 4). Ninth segment membranous above, not produced in a dorsal plate. Upper penis cover without inner dorsal processes. Outer process with a broad lateral portion, a long narrow spine arising above. In dorsal view spine appears to be slightly angled near base with a short setose inner projection at the angle. Penis with dorsal and ventral apical lobes truncate and with rounded lateral lobes. Inferior appendages moderately long, reduced before half way, thence slightly tapering, apex rounded. Dorsal basal area clear, almost transparent. On upper surfaces inner basal area with two quadrate plates.