"Eggs of the Painted Lady are tiny, green and ribbed. Caterpillars emerge from the capped part of the egg. When they emerge, caterpillars are small, black and begin to eat immediately. As they grow, they shed their skin thrice, called instars. As their development progresses, the caterpillar becomes more spiky. These spikes do not contain poison and are not sharp. If under stress, the caterpillar will sometimes shed into a fifth instar, which is a very large caterpillar. The four instars take 7–11 days to turn into a chrysalis. The caterpillar then spins a patch of silk and attaches its hind end to the silk. At this point it begins changing internally, forming a """"j"""" shape. The chrysalis is very soft at first and will dent if resting on a hard surface. After hardening, the chrysalis will crack if dropped or struck. The chrysalis can be dark or light colored depending on conditions during development of the caterpillar. It takes 7–11 days for the chrysalis to turn into a butterfly. When emerging from the chrysalis the butterfly pumps its wings with fluid to expand them. This happens within a few minutes of emerging or cannot happen at all. Once the wings are expanded they are still soft for up to a day. Initially the butterfly prefers not to move as its wings harden, but after the wings harden for a few hours the painted lady will become incredibly sensitive to movement and will damage its still soft wings when frightened."
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