
Originally Posted by
Painted Jezebel
I don't think it can be D. vidura. According to funet.fi, there are two species of Dacalana on Borneo, both endemic. D. lowii of the vidura group, and D. sannio of the cotys group.
The difference between the two groups is that the vidura group males have a brand on the forewings, and those of the cotys group do not.
This is likely to remain a 'Dacalana sp. indet'. I do not think anyone of us managed an upperside shot of it.