The colouration is extremely variable, ranging from off-white with indistinct markings to a strong rust brown.

The caterpillars are greenish-yellow with a broad green band on the back, and a narrow broken yellow line running down the center.

The colour of the pupae may range from green to reddish brown, sometimes with black markings.

[1] They mainly feed on Convolvulaceae species, including hedge bindweed (Calystegia sepium), low false bindweed (Calystegia spithamaea]], sea bindweed (Calystegia soldanella), field bindweed (Convolvulus arvensis), Cantabrican morning glory (Convolvulus cantabrica), Convolvulus floridus, Convolvulus prostratus, dwarf morning-glory (Convolvulus tricolor), sweet potato (Ipomoea batatas), Ipomoea eriocarpa and common morning-glory (Ipomoea purpurea).

They also feed on Atriplex species, including common orache (Atriplex patula) and Chenopodium, including fat-hen (Chenopodium album) from the family Amaranthaceae, cardoon (Cynara cardunculus) from the family Asteraceae, and thorn apple (Datura stramonium) and henbane (Hyoscyamus niger) from the family Solanaceae.