![]() ![]() If a female has already been fertilised, she releases a powerful chemical called ‘pheromone’, this tells the male that she is unavailable.īutterfly eggs consist of a hard-ridged outer layer of shell, called the ‘chorion’. The male has to first find out if a female has already been fertilised – already pregnant in human terms. Butterfly Reproductionīutterflies have a courtship routine whereby they first have to find a suitable, potential partner. Unlike many insects, butterflies do not experience a nymph period (a nymph is the immature form of some insects, which undergoes incomplete metamorphosis), but instead go through a pupal stage which lies between the larva and the adult stage (the imago). ![]() Below, we take you through the stages of mating, reproduction and metamorphosis with the final stage being a beautiful adult butterfly. The metamorphosis process takes about 10 – 15 days. Like all Lepidoptera, butterflies are notable for their unusual life cycle with a larval caterpillar stage, an inactive pupal stage and a spectacular metamorphosis into a familiar and colorful winged adult form. Butterflies are not born as ‘butterflies’. ![]()
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