“Female butterflies have many fewer pterin ‘footballs' than males,” says Morehouse, and Rutowski has found that females in species that are sexually dimorphic (males' and females' coloration is ...

There are many sulphur (yellow) butterflies in southern Florida and, lucky for us, they are present all year round. The most abundant of the sulphur butterflies are the orange barred sulphur, the ...

Scientists have chosen the most fleeting of mediums for their groundbreaking work on biomimicry: They've changed the color of butterfly wings. In so doing, they produced the first structural color ...

An international team of scientists working with Heliconius butterflies in Panama was faced with a mystery: how do pairs of unrelated butterflies from Peru to Costa Rica evolve nearly the same ...