Ciampa arietaria

Ciampa arietaria, the brown pasture looper, is a moth of the family Geometridae. It is found in most of Australia, including Tasmania.

The wingspan is about 40 mm.

The larvae feed on various herbaceous plants, including Arctotheca calendula, Onopordum acaulon, Lupinus nanus, Medicago sativa, Erodium species and Zaluzianskya divaricata. They are considered a pest on pastures.