Ultra-Black Butterflies (IMAGE) Duke University Caption The black patches on the wings of some butterflies are 10 to 100 times darker than everyday black objects. Clockwise from top left: Catonephele numilia, Parides iphidamas, Heliconius doris, Parides sp. Credit Richard Stickney, Museum of Life and Science Usage Restrictions Please credit Richard Stickney, Museum of Life and Science License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.