''Eilema trimacula'' 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 ...

of the subfamily Arctiinae. It is found on

Borneo Borneo (; id, Kalimantan) is the 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, west of Sulawesi, and eas ...

. The habitat consists of lowland dipterocarp forests, alluvial forests and lower montane forests. The length of the forewings is 11–12 mm for males and 11–13 mm for females.The Moths of Borneo
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References

Moths described in 2001 trimacula {{Eilema-stub