''Timyra praeceptrix'' 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 ...

. It was 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 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 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 21–25 mm. The forewings are dark purplish fuscous. The basal, median, and terminal areas are marked with suffused longitudinal orange streaks which are very variable in development, but discontinuous between the areas, most largely developed in males. In males, there is a cloudy transverse ochreous-whitish or pale orange transverse line before the middle. There are two short white streaks on veins 8 and 9 towards the costa and a whitish line along the termen. The hindwings are rather dark fuscous, in males more or less suffusedly mixed with ochreous yellowish along a broad longitudinal median area. There is also a subdorsal groove enclosing an expansible pencil of very long whitish-ochreous hairs in males.''Journal of the Bombay Natural History Society''. 20 (2): 461.

References

Moths described in 1910 Timyra Taxa named by Edward Meyrick {{Lecithocerinae-stub