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Spirama indenta is a species of moth of the Erebidae family. It is found from India (Assam, Maghalaya) and Sri Lanka to Indonesia (Java). In older texts, the species was classified as a morph of Spirama retorta.
Description
The pattern on the wings looks like the face of a snake with slightly opened mouth. Fore wings with arched costa towards nearly rectangular apex. Male with a fold on inner area of hind wings, containing an erectile ridge of very long hair. Antennae fasciculate. Male has chestnut brown colored head and collar. Thorax paler with dark bands. Abdomen crimson with triangular black dorsal patches. Wings fuscous brown. An "inverted comma" mark can be found beyond end of cell, with cohreous and black edges and some white on inner edge of "tail", the center fuscous black. Markings are not prominent. The stigma reduced in size and with two indentations in its outer edge. Fore wings suffused with olive and vinous. Female has ochreous body and non-crenulate sub-marginal line on hind wings.