''Hypomecis separata'' is a species of

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 ...

of the family

Geometridae The geometer moths are moths belonging to the family Geometridae of the insect order Lepidoptera, the moths and butterflies. Their scientific name derives from the Ancient Greek ''geo'' γεω (derivative form of or "the earth"), and ''metr ...

. It was first described by Francis Walker in 1863. 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 ...

India India, officially the Republic of India ( Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the ...

Java Java (; id, Jawa, ; jv, ꦗꦮ; su, ) is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea to the north. With a population of 151.6 million people, Java is the world's mo ...

and

Borneo Borneo (; id, Kalimantan) is the List of islands by area, third-largest island in the world and the largest in Asia. At the geographic centre of Maritime Southeast Asia, in relation to major Indonesian islands, it is located north of Java Isl ...

Description

Its wingspan is about 48 mm. Male without fovea at base of forewings. Hindwings with vein 5 absent. Male with bipectinate (comb-like on both sides) antennae, with decumbent (up-turned tips) branches. Hind tibia usually dilated with a fold and tuft of hair. Males lack secondary sexual patch to hindwings. Forewings with veins 10 and 11 stalked. Male rufous, suffused and striated in parts with black. Forewings of male with a slight ridge representing the fovea. A broad, ill-defined pale fascia found from base to outer margin below apex. The costal, inner and outer areas striated and black suffused. There is an indistinct annulus at end of cell and traces of a waved postmedial line. Hindwings with black striations. Basal area is suffused with fuscous. A crenulate (scalloped) postmedial line and an incomplete submarginal black band can be seen. Ventral side fuscous with prominent cell-spots.

References

Boarmiini Moths of Asia {{Boarmiini-stub