Camptogramma bilineata, the yellow shell, is a colourful moth of the family Geometridae.

The color of the forewings and hindwings is yellow to ochre brown (occasionally light).

The pupa is reddish brown with a short cremaster, consisting of two small bristles.

It flies both in forest and open lands, as well as in wet and dry places.

The larvae feed on various low-growing plants such as chickweed, sorrel and other species from the family Polygonaceae.