Diduga flavicostata is a species of moth in the family Erebidae first described by Snellen in 1879. It is found on Java,[1] as well as in Australia (the Northern Territory), India, Sri Lanka, Myanmar, Malaysia, China (Jiangxi, Taiwan, Fujian, Guangxi, Hainan, Sichuan, Yunnan) and Japan.[2]
Antennae of male ciliated. Head, collar and tegulae are bright yellowish. Thorax and forewings are dark greyish, where forewings possess bright yellow costal area irrorated with a few black scales. Lower edge is waved. Costa black near the base and black specks on antemedial and postmedial. There is a marginal, bright yellow band with a pale waved inner edge. Cilia orange yellowish. Abdomen and hindwings are paler.[3]
. George Hampson . 1894 . The Fauna of British India, Including Ceylon and Burma: Moths Volume II . Taylor and Francis . Biodiversity Heritage Library.