image: Close up of the face of the orchid bee species Euglossa paisa. Most species of orchid bees have metallic coloration, ranging from green, purple, red, and yellow. This image relates to an article that appeared in the Sept. 23, 2011, issue of Science, published by AAAS. The study, by S.R. Ramírez; Harvard University in Cambridge, MA, and colleagues was titled, "Asynchronous Diversification in a Specialized Plant-Pollinator Mutualism." view more
Credit: Image courtesy of S. Ramírez, 2005