For these butterflies, wing color isn’t just about looks; it directly affects who they’ll mate with. Yellow-winged males prefer yellow-winged females, while white-winged males show varying ...

These white Heliconius cydno alithea butterflies are mating on a passionflower vine, but the male had a choice between white and yellow-winged ... of wing patterns and colors, which act as a ...

the researchers investigated the color sensitivity and activity of photoreceptors in the butterflies’ eyes. They found that green-sensitive photoreceptors inhibited the activity of most UV-sensitive ...

To understand how males perceive different wing colors ... which preferred yellow-winged females, but comparatively few in other butterflies. This relatively simple modification of the peripheral ...

DESCRIPTION: Adult Hermes copper butterflies have a wingspan ... Underside forewings and hindwings are yellow with brownish spots. Mature larvae are about 13 millimeters and are an apple-green color, ...

To understand how males perceive different wing colors, the researchers ... in males which preferred yellow-winged females but comparatively few in other butterflies. Dr.VanKuren said: "This ...