''Heteralcis holocona'' 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 w ...

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 1908. 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 of ...

is 16–18 mm. The forewings are dark fuscous, faintly purplish tinged and with a yellowish basal dot. There are two irregular inwardly oblique pale yellowish transverse lines before and beyond one-fourth and a triangular ochreous-yellow blotch on the costa beyond the middle, reaching more than halfway across the wing, as well as a yellow dot in the disc beyond the apex of this. The hindwings are dark fuscous, with a submedian groove containing an expansible pencil of very long whitish-ochreous hairs.''Journal of the Bombay Natural History Society''. 18 (2): 446.

References

Moths described in 1908 Heteralcis Taxa named by Edward Meyrick {{Lecithocerinae-stub