Plectophila eucrines is a moth in the family Xyloryctidae. It was described by Alfred Jefferis Turner in 1898. It is found in Australia,[1] where it has been recorded from and New South Wales and Queensland.
The wingspan is about 13 mm. The forewings are snow-white with the costal edge at the base fuscous. There is a broad ochreous-fuscous line from the base to the inner-margin at one-fifth. There is an outwardly curved ochreous-fuscous fascia from the costa at one-third to the inner-margin at two-fifths. There is a triangular ochreous-fuscous blotch on the hindmargin from the apex to the anal angle, ochreous-fuscous lines from the costa at three-fifths and four-fifths. The hindwings are grey.[2]