Update My three months research on Koh Tao, small island in Gulf of Thailand is finished. I discovered/encountered about 95 species of butterflies belonging to 4 families. Hesperiidae family is not included as I was not interested in this group at this time . The list may be published on this forum in the future as more study and examination is needed to determinate subspecies either if they belong to main land of Thailand or peninsular south part of this country as the island is located in between those two zones. I am sure that the list is incomplete as I am suspecting there has to be 40-50 more species hiding deep in the forest or high in the canopy , particularly rare species which they yet to be discovered. If I will be returning to the island some time in the future it is unknown at this moment. However it would be interesting to visit the collecting spots during the different time of the year.
Things are a little more complicated than Paul's post suggests. Koh Tao is actually well inside the peninsular region. In fact that extends all the way up to Petchaburi, almost as far north as Bangkok. Many butterflies have intermediate subspecies between the mainland SE Asian and Malay subspecies in this area, some crossing the Isthmus of Kra at Chumporn province, and others not. Some peninsular species such as Papilio palinurus are able to spread north to the top of the peninsula, and even through coastal Burma as far as Calcutta, India, where one was photographed a few years ago.
At the same time, many mainland species are distributed down the upper peninsular region through the Tenasserim range at least to the southern tip of Burma. So for instance, on Koh Tao Paul recorded Graphium nomius which is a mainland Asian species, not reaching Malaysia.
Kaeng Krachan National Park in Petchaburi province is very interesting, as many distinctly Sundaland species/subspecies can be found there, such as Papilio iswara, Papilio palinurus, Atrophaneura sycorax and the green spotted Graphium arycles arycles among others. At the same time mainland Asian species, such as Papilio protenor are also found there.
After 4 months research/collecting on Koh Tao I finally have the chance to spread my specimens. I have constructed drying cabinet/shelves and 30 foam spreading boards to help me turn over 800 specimens within my 3 months stay in Canada. I hope I can achieve that.
I begin with Pieridae family as I have always liked them for their simple beauty.
That's a very innovative cabinet that you have made for your specimens Paul ! Very cool ! I also admire your wise use of cotton on the specimens which are pinned "verso" as well as on those which presented possible issues of sagging abdomens. I too do this as needed. Hate seeing a perfectly set specimen with a really sagging or drooping abdomen.
Help needed to ID this Euploea sp. Collected in Laos, Savannakhet -Phin, primery rain forest path 16°29'24"N 106°01'50"E 370m ,18 Mar 2015. It has also a blue sheen on the forewings although photo not really shows it.
I have no idea which species this is, as I haven't studied Mycalesis closely at all, but I can say that it probably isn't an aberration. Dry season forms of species in this genus have very reduced ocelli, and look very different to the rainy season forms.