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 ...
Behavioral Ecology and Sociobiology, Vol. 52, No. 4 (Sep., 2002), pp. 296-302 (7 pages) In butterflies and other insects, fecundity generally increases with female adult weight. Hence, most ...
There is genetic variation in the female mating rate in the green-veined white butterfly (Pieris napi), and females benefit from male ejaculates that contain both sperm and accessory gland substances.