Xylorycta parthenistis is a moth in the family Xyloryctidae. It was described by Oswald Bertram Lower in 1902. It is found in Australia,[1] where it has been recorded from the Northern Territory.
The wingspan is about 32 mm. The forewings are shining snow white with a fine pale ochreous line along the costa from the base to the apex, somewhat dilated posteriorly. The hindwings are shining snow white.[2]