Phyllocnistis unipunctella is a moth of the family Gracillariidae.

A whitish moth with yellowish suffusion and a distinct black spot near the wing apex.

The forewings are shining white, posteriorly more or less ochreous-tinged; often a suffused spot on dorsum near base and a larger one in middle of disc dark fuscous; a transverse dark fuscous line at 2/3, preceded by one and followed by two dark fuscous streaks from costa; a round black apical dot; three dark fuscous diverging bars in apical cilia.

Adults are on wing in July and from September onwards, sometimes overwintering in haystacks.

This article relating to moths in genus Phyllocnistis is a stub.