The Lime Butterfly is also known as the Lemon Butterfly, the Small Citrus Butterfly, the Chequered Swallowtail and the Dingy Swallowtail, it is found in most of Asia and also Middle East amongst other places.
The caterpillars like lime, lemon and orange leaves, and the butterflies like basking in mud puddles.
The Lime Butterfly in this photograph has a 7cm wingspan.
Papilio demoleus
Thai Butterflies Main Page.