Post 79.
Very difficult.
Based on your location in Nepal it should be P. fatih.
The species are very similar & were onced considered as ssp.
P. dan fabia.
FW spot 2 & 3 with little or no overlap.
FW cellend spot outer margin more strongly notched.
Range Sikkim to Myanmar ,Ataran.
https://www.ifoundbutterflies.org/me...1a_7/av091.jpg
Female.
https://www.ifoundbutterflies.org/me...f3866614-1.jpg
P. festa.
FW hyaline spots large & contiguous ; Spot 3 almost filling the base of space 3.
Ground dark & dark spots often obscure. variable.
Male hyaline spots distinctly yellow.
Range Sikkim to Myanmar.
http://yutaka.it-n.jp/hes/90640020.html
https://www.ifoundbutterflies.org/me...901ba965-1.jpg
https://www.ifoundbutterflies.org/me..._7/a-28804.jpg
P. fatih & fatua.
FW spot 3 well away from the base of space 3, leaving a dark triangle.
FW spot 3 & spot 2 overlap at least by half (typically ).
P. fatih : Ground more ochreous, larger.
Range Kangra to Nepal.
https://www.ifoundbutterflies.org/me...42d5f970-1.jpg
There are forms in which the ground is reddish.
https://www.ifoundbutterflies.org/me...69fe8250-1.jpg
P. fatua : smaller & the ground should be strongly reddish.
Male FW more produced. Impossible to judge.
Range Sikkim to N. Myanmar
https://www.ifoundbutterflies.org/me...b253737e-1.jpg
https://www.ifoundbutterflies.org/me...b3ce2506-1.jpg
Browner form
https://www.ifoundbutterflies.org/me...924d5ec1-1.jpg
TL Seow; Cheers.