The four stages of the monarch butterfly life cycle are the egg, the larvae (caterpillar), the pupa (chrysalis), and the adult butterfly. The four generations are actually four different butterflies going through these four stages during one year until it is time to start over again with stage one and generation one . . .
To really understand how the monarch life cycle works, read more about it here. http://ift.tt/MWwstn
via Flickr http://flic.kr/p/vKdu1K
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