The diagram illustrates the revolution life of the monarch butterfly.
First this cycle beginning with the egg stage, the mother of monarch butterfly spawn the eggs on milkweed, the eggs wait until the 14 days. After the 14 days the eggs ready to hatch from the egg. The eggs return the newly larva and its come to the larva stage. The larva eat milkweed and growing.
On the larva stage, the caterpillar attached to larva. The attachment wait ten days on the chrysalis.
The pupal stage, when the process is completed the caterpillar go out from the chrysalis shell. The caterpillar is emergence to adult and being butterfly. Learn the world and how to fly a while the butterfly goes to migration south for six months.
The adult stage, after the six month the butterfly goes to migration north and being adult. And finally mating with other butterfly and egg laying for the continue the cycle.