The butterflies are as you have IDed.

1. Female Erionota torus; FW margin convex.

2. Female Ideopsis similis.
This is a continental species & it seem to have made its way past Singapore.

3.Female Euthalia aconthea.
The FW markings are as for E. aconthea.

4. Eurema sari.
The solid brown quadrate apical patch with a tooth on the lower margin is characteristic.

5. Hypolycaena erylus female.
Female.
http://www.butterflycircle.com/check...an%20Soong.png

Female H. thecloides.
Apart from the extra bar in HW space 7, the orange is more extensive on the FW apex & HW black spot
https://1.bp.blogspot.com/-UN3rpSj2N...it_Loke_02.jpg


TL Seow: CHeers.