Please help ID

[JitLeangFoo]

Found caterpillar feeding on Bamboo and the adult eclosed today.
The caterpillar looks like P.mathias but very much bigger. Could this be a P.assamensis?
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26139

[Psyche]

It is definitely P. assamensis.
FW spots large & distinctly white; antenna with a broad white band.

TL Seow: Cheers.

[JitLeangFoo]

Thank you.
This is the 5th species I found feeding on the same small patch of bamboo.

[atronox]

Great find!