Papilio acheron (Grose-Smith, 1887)

Vicinity of Mt Kinabalu, Borneo, 1600 meters  recto Vicinity of Mt Kinabalu, Borneo, 1600 meters   verso 
   Rare and with a limited distribution in the mountains of NW Borneo. Very local and poorly known at this time, but may have a larger range than currently thought. Much of central Borneo remains unexplored and is very inhospitable to the visiting lepidopterist.  Females are exceedingly rarely seen.