by William Swainson, Zoological Illustrations Series II… (1829)
“ The wide dispersion of that form represented in the two European species Podalirius and Machaon, and which form occurs in all the temperate and tropical regions of the globe, leads us to suspect it as the most typical group: to this, Papilio Niamus, from its very close affinity to Podalirius, unquestionably belongs. ”
