3 is likely Pelagodes proquadraria. India to Taiwan.
http://twmoth.tesri.gov.tw/images/tw...moth109103.jpg
http://twmoth.tesri.gov.tw/peo/FBMot...20proquadraria

4. Elophila difflualis. Crambidae Acentropinae.
The antemedial (band) is less irregular than the previous one , likely a sex difference.
Similar to this.
http://taieol.tw/pages/100761
Your previous one.
http://www.butterflycircle.com/attac...7&d=1505644809
is similar to this. Antemedial more irregular
http://davesgarden.com/community/for...?pid=8922118#b

TL mSeow: Cheers.