Pelopidas is extra hard to ID in India.
(Actually everything is extra hard. )
It is necessary to get the species correct in the first place.
Pelopidas mathias;.Male FW brand cut in the lower third by a line thru the two cellspots.Spot 2 usually quadrate, but may be rectangular.
Female , a line thru the cellspots moves closer to the spot in space 1b. Underside with an uneven ground colour; marginal & HW discal areas with pale shadings. strong in DSF.
HW spots may be dark-rimmed in especially in DSF.
Pelopidas agna.
Male Male: A line thru the two cellspots just tip the end of the brand or miss it.
Female: A line thru the cellspots moves away from the spot in space 1b.
Male spot 2 typically linear but may be broader & more rectangular (becoming similar to mathias male). Underside ground colour more even & uniform brown, may be greenish, without obvious pale shadings in the marginal zones. UnH spots not dark-ringed.
Male Taiwan: A line from the cellspots just tip the brand. https://knowledge.taibif.tw/sites/de...y/00015163.jpg
Evans states of ssp masta.
Darker; UnH usually only the double spots in space 4-5 conspicuous, the rest replaced by dark marks; UpH usually with a double spot in space 4-5.
1. Pelopidas agna.
The line drawn from the cellspots miss the brand. The underside is quite uniform brown, no spot reduction & no dark rim.
The brand looks white but this is unreliable.
2. P. agna. The subapical spots well out of line; uniform underside without pale shading.
3. P. agna.
4. P. agna ;Subapicals out of line ;uniform underside without pale shading.
5. P. mathias ;Line from cellspots cut into lower part of brand ;& uneven underside.
6. & 7 typical P. assamensis.
8 & 9. P. conjuncta ; FW spots yellow; HW spots white in an arc; subapical spots out of line.