Ceryx diptera is a moth of the subfamily Arctiinae. It was described by Johan Christian Fabricius in 1775. It is found in southern India and Sri Lanka.[1] In male, the body is black. Frons, collar and tegulae are yellow. Forewings with a sub-basal, two medial, one sub-apical and two sub-marginal hyaline (glass-like) spots. Hindwings with a sub-basal joined to a sub-marginal spot. Tarsi black. Female is similar to male, but differ with the abdomen dilated and with a tuft of ochreous hairs.[2]
. George Hampson . The Fauna of British India, Including Ceylon and Burma: Moths Volume I . Taylor and Francis . 1892 . Biodiversity Heritage Library.