These are very difficult .
It is hard to even match Evans' dsecription with any on the websites.

1. Probably H. filda.
There is a faint upper cellspot.
Despite the name Absent Ace, H. filda may have a tiny cellspot.
H. filda.
UnH central area paler, but band illdefined & suffused over.
https://www.ifoundbutterflies.org/me...9562a6006e.jpg


2. Halpe wantona.
UpF with an upper cellspot ,spot 2 & 3 partially overlapping.
UnH central area darkish, not paler, pale postdiscal spots reduced in size, diffuse & somewhat obscure.
P. pelethronix.wantona .P. Malaysia.
https://2.bp.blogspot.com/-OnecEME4d...0/DSC_0228.JPG
https://4.bp.blogspot.com/-nlN_xqhpB...0/DSC_0210.JPG

3. Too dark large upper cellspot.
Probably H. aucma.


4. This looks the same as H. aucma
https://www.ifoundbutterflies.org/me...b4ae705a-1.jpg


Halpe arcuata ;FW spot 2 & 3 widely overlapping.
https://c1.staticflickr.com/5/4083/5...5fd71fbb73.jpg