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A small (2.7-2.8 cm wingspan) long-winged dull mottled grey moth. There is a short black basal dash mixed with bright orange-brown scales. The antemedian and postmedian lines are incomplete and marked with black scales, especially the lower half. The areas basad to the lower antemedian line and distad to the lower postmedian line are bordered with white scales, the latter forming a large diffuse oval patch.in well-marked specimens. The claviform spot is a black wedge, mixed with or bordered by orange-brown scales. The orbicular and reniform spots are filled with light grey, partially or completely outlined with black scales, and in the reniform in particular usually with a dark pupil. It may also be partially lined with orange-brown. The forewing fringe is dark grey or black, lightly checkered with white scales at the veins. The hindwings are dull grey with a light fringe with scattered dark scales. The male antennae are prominently biserrate. Naevia occurs with Lacinipolia longiclava and L. anguina. L. longiclava is mostly a brown (not grey) moth. Naevia is most similar to L. anguina, which is a smoother grey moth (naevia is quite powdery looking in comparison) and lacks the orange-brown scaling along the basal dash and claviform spot. L. anguina male genitalia have a long prominent sacular extension that can be seen without disection, and is completely lacking in naevia.