Myriostephes asphycta is a moth in the family Crambidae. It was described by Turner in 1915. It is found in Australia, where it has been recorded from the Northern Territory.[1]
The wingspan is about 10 mm. The forewings are whitish suffused with brownish-ochreous and, on the costa and termen, with fuscous. The lines are fuscous. The hindwings are whitish with faint brownish-ochreous suffusion and an outwardly curved transverse line, as well as a broad pale fuscous terminal suffusion.[2]