Many insects see the world through hundreds of tiny lenses that are grouped together in a visual organ known as the compound ...

UC San Diego biologists have identified the genetic switch that added a ninth photoreceptor to butterfly eyes, revealing how ...

Hot temperatures during development can alter the scales that create Morpho butterflies’ brilliant blue iridescence, leaving adults with duller colors Rosannette Quesada Hidalgo Blue Morpho ...

Butterfly wings get their color in ways that almost feel impossible. Up close, each wing is made of countless tiny scales that either hold pigment or manipulate light. The oranges, reds, and browns ...

UC San Diego biologists have unraveled the genetic adaptation that gave butterflies the ability to see rich, vivid color in ...