Post 5.
There are about 20 species of Potanthus species in Thailand & their IDs can be very difficult from fieldshots.
Potanthus no. 1; Male on the left ,female on the right.
Male abdominal end not black-banded ,FW spots overlapping HW spot 6 absent; Female FW spots no overlap between spot 5 & 6; HW spot 6 present.
Underside dark shaded.
Three species have the abdominal end yellow without a black band. namely P. omaha, ganda & confucius .
P. omaha ;HW band the veins dark-dusted, shading light.
http://www.butterflycircle.com/check...obby%20Mun.jpg
P. ganda ; HW band the veins not dark=dusted ;heavier dark shading.
P. ganda is normally quite oranging but it difficult to judge in fieldshots.
Male from P. Malaysia; female from Singapore.
https://2.bp.blogspot.com/-r1T4ajMPu...25286%2529.jpg
https://3.bp.blogspot.com/-8xXyOhBOa...Dart-KohCH.jpg
P. confucius FW spots broadly overlapping; HW underside usually with spot 6; Band edged with definite dark spots.
Male Thailand female from Taiwan.
https://wingscales.com/content/record/514-1-f6975.jpg
http://dearlep.tw/images/Papilionoid...20DSC_0068.jpg
No. 1 should be Potanthus ganda.
You can see the the respective sexes match.
2. FW with spot barely overlap spot 3 while spot 5 is detached from spot 6. FW spot 2 & 3 wider.Abdominal end with a black band.
This should be P. pseudomaesa.
Examples.
http://images5.fotop.net/albums/butt...seudomaesa.jpg
https://www.ifoundbutterflies.org/me...d7f5f8902c.jpg
https://www.ifoundbutterflies.org/me...deea639e-1.jpg
https://www.ifoundbutterflies.org/me...1a69905b-4.jpg
Similar.
P. lydia ;
FW spot 4 & 5 often convergent on their inner margins.; FW cell more heavily dark.
https://www.ifoundbutterflies.org/me...07a03494-1.jpg
http://www.samuibutterflies.com/02_i...huslydia.r.jpg
P. serina ;FW spot 5 distinctly smaller than spot 4; HW with a small spot 6 on inner corner.
https://singapore.biodiversity.onlin...96bb1e9322.jpg
P. palnia ; FW spot 5 smaller than spot 4; band more strongly divided by dark veins.
https://farm5.static.flickr.com/4566...3350f458_b.jpg
P. trachala have the FW band uniformly narrow & the outer margins strongly excavated.
http://3.bp.blogspot.com/_yzw2AzY2du...anthusM01a.jpg
TL Seow: Cheers.
Last edited by Psyche; 17-Oct-2019 at 01:14 AM .
Loh Mei Yee
Pithauria murdava (Dark Straw Ace)
Last edited by itsmemei; 18-Oct-2019 at 12:33 PM .
Loh Mei Yee
Post #9
Correct as Pithauria murdava , note hw post-discal dark spots poorly developed.
cheers
Jonathan
Btw, gorgeous photos so far! It's been a joy to look through them and I'm looking forward to what else you'll post!
cheers
Jonathan
Thanks, Jon for the ID confirmation on Pithauria murdava
Can't wait to see your photos too!!
Loh Mei Yee
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