CAPTIVE CITRUS BUTTERFLIES MATING, PAPILIO DEMODOCUS, ON BUTTERFLY FARM, KIPEPEO PROJECT, GEDE, KENYA, AFRICA BUTTERFLY FARMING 10/99 [Getty Images]

CAPTIVE CITRUS BUTTERFLIES MATING, PAPILIO DEMODOCUS, ON BUTTERFLY FARM, KIPEPEO PROJECT, GEDE, KENYA, AFRICA BUTTERFLY FARMING 10/99

Photolibrary Don Boroughs