Diota rostrata is a species of moth of the subfamily Arctiinae first described by Wallengren in 1860.[1] It is found in South Africa, Eswatini, Zimbabwe, Kenya and Ethiopia.[2]
The length of the forewings is 13–16 mm. Adults are cream coloured with brown mottling and darker shades as well as a few black dots in the basal, medial and post medial areas on the forewings.
The larvae feed on a wide range of plants including Senecio species (including S. angulatus, S. tamoides and S. oxyodontus), Delairea odorata, Mikaniopsis cissampelina, Kleinia abyssinica, Carthamus tinctorius, Daucus carota and Bidens pilosa.