Butterflies (Papilionoidea) come in a remarkable variety of colors and patterns, from the orange majesty of the monarch to the lustrous red and blue of the peacock butterfly, but all butterflies ...

AUSTIN, Texas—Breaking up may actually not be hard to do, say scientists who've found a population of tropical butterflies that may be on its way to a split into two distinct species. The cause of ...

Evolution of mate preference in polymorphic butterflies. These white Heliconius cydno alithea butterflies are mating on a passionflower vine, but the male had a choice between white and yellow-winged ...

Most of us learned about butterfly metamorphosis as a kid — a wriggly caterpillar molts its skin to form a tough chrysalis and emerges as a beautiful butterfly. But how exactly do chrysalises stay ...

Male butterflies have genes which give them a sexual preference for a partner with a similar appearance to themselves, according to new research. Researchers observed the courtship rituals and ...

Male butterflies seek out mates with the same wing color as they find them more attractive, reveals new research. Genetics, vision and neural processing are all linked to mating behavior in Heliconius ...