Field shots are quite tricky. Shape of HW cell varies due to perspective distortion.
Both are P. melaneus.
P. melaneus :Ground colour in life chocolate brown.
1. HW space 7 with a white submarginal spot usually separared from the blue bar.
2. HW space 6 typically with two outer submarginal white spots, rarely one.
3. HW space 2 & 3 with a white postdiscal dot each ,rarely only one. https://www.ifoundbutterflies.org/#!...ntica-melaneus http://yutaka.it-n.jp/dan/30110001.html