Parapoynx ophiaula is a moth in the Crambidae family. It was described by Meyrick in 1936. It is found in the south-eastern part of the Democratic Republic of Congo and north-western Zambia. The wingspan is 15–16 mm. The forewings are dark fuscous, the base whitish dorsally with a blackish discal spot. The hindwings are white with a blackish subterminal line. Adults have been recorded on wing from January to March in May, July and December.