Scientific name: Papilio ophidicephalus

This is the largest butterfly in southern Africa.

This butterfly and those following were photographed at the Butterfly Magic exhibit at the Botanical Gardens in Tucson, Arizona. Butterfly
Magic is an indoor exhibit of tropical butterflies. At the time of my visit a number of African butterflies were on display. Many
thanks to Carol Breton for recommending this beautiful exhibit to me. The exhibit is open November through March.

Mr. John Rhodes, the Curator of Butterfly Magic, has informed me that he believes that this identification is correct.
His help is greatly appreciated.