Eupithecia distinctaria, the thyme pug, is a moth of the family Geometridae.

In the north the range reaches as far as the southern Fennoscandia, to the south, where it is more common, it occupies the Mediterranean and Asia Minor.

It is found primarily on warm, stony slopes and rocky structures as well as on sparse grassy areas with thyme mounds.

The wingspan is 16–20 mm[3][6] The forewing ground colour is clear ash grey with or without an admixture of brownish.

The colour is darker towards the outer margin and there is a fine white wavy post discal line.