''Bombyx incomposita'' 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

Bombycidae The Bombycidae are a family of moths. The best-known species is '' Bombyx mori'' (Linnaeus) or silkworm, native to northern China and domesticated for millennia. Another well-known species is '' Bombyx mandarina'', also native to Asia. Taxonomy ...

. It was described by van Eecke in 1929. It is found on Sumatra,

Peninsular Malaysia Peninsular Malaysia ( ms, Semenanjung Malaysia; Jawi: سمننجڠ مليسيا), or the States of Malaya ( ms, Negeri-negeri Tanah Melayu; Jawi: نڬري-نڬري تانه ملايو), also known as West Malaysia or the Malaysian Peninsula, ...

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 ...

. The habitat consists of lowland rainforests.The Moths of Borneo
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References

Natural History Museum Lepidoptera generic names catalog
Bombycidae Moths described in 1929 {{Bombycidae-stub