Ludlow’s Bhutan Swallowtail – National Butterfly of Bhutan on stamps – 2016
A miniature sheet was issued by Bhutan Post on 18 Oct 2016 on – Ludlow’s Bhutan Swallowtail – The National Butterfly of Bhutan.
Ludlow’s Bhutan Swallowtail – National Butterfly of Bhutan. The species belongs to the Papilionidae family of Apollo Butterflies.
Stamp Digest 