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 ...

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 ...

Tropical Heliconius butterflies are well known for the bright colour patterns on their wings. These striking colour patterns not only scare off predators -- the butterflies are poisonous and are ...

Learn facts about the monarch butterfly, including how how to tell male and female monarchs apart and if monarchs are poisonous.

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 ...