Scopula ternata

Species of geometer moth in subfamily Sterrhinae

Scopula ternata, the smoky wave, is a moth of the family Geometridae. It was described by Franz von Paula Schrank in 1802. It is mainly found in northern and parts of central Europe and in isolated populations in southern and south-eastern Europe. Its western range is eastern France, eastern Belgium and Scotland, with an isolated population in the Pyrenees. In the north its range extends to the polar regions and in the south it is found up to the Alps. Its eastern range extends through central and northern Russia up to the Ural, through Siberia up to the Yenisei River.

This keyword could refer to multiple things. Here are some suggestions: