''Timyra orthadia'' is a

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of ...

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 ...

, described by

Edward Meyrick Edward Meyrick (25 November 1854, in Ramsbury – 31 March 1938, at Thornhanger, Marlborough) was an English schoolmaster and amateur entomologist. He was an expert on microlepidoptera and some consider him one of the founders of modern m ...

in 1906 from

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 The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the other wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingspan ...

is 16–18 mm. The forewings are whitish ochreous with a narrow dark fuscous basal fascia and two broad rather dark fuscous fasciae at about one-third and two-thirds, the first somewhat narrowed toward the costa, the second rather oblique, more or less constricted in the disc, beneath dilated and confluent posteriorly with a broad dark fuscous suffusion or sprinkling in the disc. Between these fasciae is an undefined oblique median line of dark fuscous sprinkles and a dark fuscous terminal streak, thickened at the apex. The hindwings are fuscous, in males with a broad median longitudinal ochreous-yellow band, including a deep central groove, and a subdorsal groove enclosing an ochreous-yellow

hair-pencil Hair-pencils and coremata are pheromone signaling structures present in lepidopteran males. Males use hair-pencils in courtship behaviors with females. The pheromones they excrete serve as both aphrodisiacs and tranquilizers to females as well a ...

from the base.''Journal of the Bombay Natural History Society''. 17 (1): 145.

References

Moths described in 1906 Timyra Taxa named by Edward Meyrick {{Lecithocerinae-stub