Notodonta ziczac, the pebble prominent, is a moth of the family Notodontidae. It is found in Europe ranging to Central Asia.
The wingspan is 40–45 mm. Their forewings are light grey on the front edge, the inner portion of the wing is cinnamon-brown. In the grey area is a roundish dark grey stain shaped like a pebble bounded proximally by a dark curved line. There is a dark, curved postmedian line towards the apex of the wing. The hindwings are grey, darker grey in the females. They have a dark, discal lunule. The thorax and abdomen are dark brown and thickly clothed with hair. The moth flies from April to September depending on the location.
The larvae feed on poplar, primarily aspen (Populus tremula) and willow.[1]