Eurema sari sodalis OR Eurema simulatrix tecmessa?

[tanghb]

Hi,

I believe the butterfly shown below is a Eurema sari sodalis (Chocolate Grass Yellow)
http://img.photobucket.com/albums/v18/tanghb/2005_sg_Nature/20050212_1357_SBG_Chocolate_Grass_Yellow_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/dcforum/DCForumID14/1130.html

Thanks,
Tang