''Deltoplastis byssina'' is a moth in the family

Lecithoceridae The Lecithoceridae, or long-horned moths, are a family of small moths described by Simon Le Marchand in 1947. Although lecithocerids are found throughout the world, the great majority are found in the Indomalayan realm and the southern part of th ...

. It was described by Edward Meyrick in 1910. It is found in

Sri Lanka Sri Lanka (, ; si, ශ්‍රී ලංකා, Śrī Laṅkā, translit-std=ISO (); ta, இலங்கை, Ilaṅkai, translit-std=ISO ()), formerly known as Ceylon and officially the Democratic Socialist Republic of Sri Lanka, is an ...

. The wingspan is about 19 mm. The forewings are pale fuscous, sprinkled with dark fuscous. There is a small dark fuscous spot on the base of the costa and the costal edge is ochreous whitish from one-third to four-fifths. There is a small oblique blackish mark on the costa at two-fifths and a small dark fuscous spot on the dorsum. The stigmata are small and dark fuscous, the plical is rather obliquely beyond the first discal, an additional dot is found beneath and slightly beyond the second discal and there is a faintly incurved slender ochreous-whitish line from four-fifths of the costa to the dorsum before the tornus, edged anteriorly with rather dark fuscous suffusion. Several dark fuscous marginal marks are found around the apex and termen. The hindwings are whitish yellowish, the apex and upper part of the termen are suffused with fuscous.''Journal of the Bombay Natural History Society''. 20 (2): 457.

References

Moths described in 1910 Deltoplastis Taxa named by Edward Meyrick {{Torodorinae-stub