For instance, the Danaid eggfly (Hypolimnas misippus) displays extreme sexual dimorphism: the male's wings are an unremarkable purplish black, while the female's are bright orange rimmed with black and white spots.
例如「性別變異」極為明顯的「雌紅紫蛺蝶」──雄蝶的蝶翅是不起眼的紫黑色，雌蝶蝶翅卻是豔麗的橘色鑲著一圈黑白紋飾。