Pantoporia sp

[Commander]

Seow, this is a reference shot for your perusal. Shot at Upper Seletar Reservoir Park in Oct 2008.

23687

[Psyche]

The male on the left is identifiable as P. sandaka.

The FW inner grey band is narrow & constricted ie the orange band is wider & regular.
The foot of the postdiscal band is long & big running inwards along the lower margin.
On the HW a white highlight shows the margin of the white speculum cutting into the the orange band.

The male sandaka & hordonia from the same area in Raub, Pahang.
http://2.bp.blogspot.com/-c8rXTibfeqY/Une7uK6IDRI/AAAAAAAALeU/9RQQGiO1Jvk/s1600/DSC_0137.JPG
http://4.bp.blogspot.com/-6TIVtGI_okk/U3dZiNWZG2I/AAAAAAAAOdc/ONasPwcgx60/s1600/DSC_0229.JPG

The male hordonia's grey speculum is small & does not intrude into the orange band.
This is true even in the dsf where the orange band is very broad ; dsf unknown here.
P. hordonia hordonia wsf Laos & dsf Thailand.
http://www.neutron.phys.ethz.ch/Lepidoptera/Nymphalidae/IMG_1728.JPG
http://www.neutron.phys.ethz.ch/Lepidoptera/Nymphalidae/P1220036.JPG

Males of P. hordonia & sandaka ,Singapore.
http://1.bp.blogspot.com/-oiSX3-kyPRk/Tk-9CD1-ziI/AAAAAAAAGZI/i5qORnzy7V4/s1600/CommonLascar-KSK4.jpg
http://www.samuibutterflies.com/02_images/travels/largerphotos/pantoporiadindinga.jpg
http://1.bp.blogspot.com/_rzo8wjfyCsM/S_qG3iESjZI/AAAAAAAAGoo/KHbAWLGMapQ/s1600/CL_adult_Federick_02_c.jpg


The female of both species is tricky as they resemble each other closely.
The broad grey band here suggests hordonia so this suggests interspecicies crossing or it may merely be a variant sandaka. as the grey band is irregularly constricted.

The females have the FW band's foot short & more abrupt, & if the FW is raised ,no speculum on the HW.

Female P. sandaka. Note foot & raised right FW. (showing broken grey band & absence of HW speculum.)
http://1.bp.blogspot.com/-e96FPm8xhHs/T19xbimOfpI/AAAAAAAAMjo/J5ca6nJe5S8/s1600/CL_adult_06_puddling.jpg

The female P. hordonia resemles the male in having a very broad FW grey band, which should not be irregular , constricted or broken.
Females from Thailand, Cambodia & Java.
http://wingscales.com/content/record/451-1-0ade1.jpg
http://www.tataiwildlife.info/?species=161
http://3.bp.blogspot.com/-ELNd5T1m_GQ/VBf6usWidtI/AAAAAAAAAUc/2B3yFp54qDo/s1600/IMG_7404e1.JPG

The males of both species have identical genitalia & so were considered as dimorphs of a single species in the past.

TL Seow :Cheers.