Eurema sari sodalis OR Eurema simulatrix tecmessa?

Hi,

I believe the butterfly shown below is a Eurema sari sodalis (Chocolate Grass Yellow)
http://img.photobucket.com/albums/v1...llow_Edit1.jpg

The one shown in this forum, I think, is also a Eurema sari sodalis. But the author said it's a Eurema simulatrix tecmessa.
Is he correct?
http://www.naturephotosociety.org.sg...ID14/1130.html

Thanks,
Tang