Monarch Butterfly ~ Danaus plexippus

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They like to visit the puddles in the yard at work.

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I found the life cycle of the Monarch very interesting…

Monarch butterflies go through four stages during one life cycle, and through four generations in one year. It’s a little confusing but keep reading and you will understand. 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.

In February and March, the final generation of hibernating monarch butterflies comes out of hibernation to find a mate. They then migrate north and east in order to find a place to lay their eggs. This starts stage one and generation one of the new year for the monarch butterfly.

In March and April the eggs are laid on milkweed plants. They hatch into baby caterpillars, also called the larvae. It takes about four days for the eggs to hatch. Then the baby caterpillar doesn’t do much more than eat the milkweed in order to grow. After about two weeks, the caterpillar will be fully-grown and find a place to attach itself so that it can start the process of metamorphosis. It will attach itself to a stem or a leaf using silk and transform into a chrysalis. Although, from the outside, the 10 days of the chrysalis phase seems to be a time when nothing is happening, it is really a time of rapid change. Within the chrysalis the old body parts of the caterpillar are undergoing a remarkable transformation, called metamorphosis, to become the beautiful parts that make up the butterfly that will emerge. The monarch butterfly will emerge from the pupa and fly away, feeding on flowers and just enjoying the short life it has left, which is only about two to six weeks. This first generation monarch butterfly will then die after laying eggs for generation number two.

The second generation of monarch butterflies is born in May and June, and then the third generation will be born in July and August. These monarch butterflies will go through exactly the same four stage life cycle as the first generation did, dying two to six weeks after it becomes a beautiful monarch butterfly.

The fourth generation of monarch butterflies is a little bit different than the first three generations. The fourth generation is born in September and October and goes through exactly the same process as the first, second and third generations except for one part. The fourth generation of monarch butterflies does not die after two to six weeks. Instead, this generation of monarch butterflies migrates to warmer climates like Mexico and California and will live for six to eight months until it is time to start the whole process over again.

It is amazing how the four generations of monarch butterflies works out so that the monarch population can continue to live on throughout the years, but not become overpopulated. Mother Nature sure has some cool ways of doing things, doesn’t she?

Our articles are free for you to copy and distribute. Make sure to give www.learnaboutnature.com credit for the article.

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© Ilex ~ Midwestern Plant Girl

15 thoughts on “Monarch Butterfly ~ Danaus plexippus

  1. If you wrote this cycle in a scifi book, readers would not believe you!
    Nature truly is amazing and baffling all at once. How do they know they are now the fourth generation and must live longer?
    Lovely photos 🙂

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  2. We love the annual visits to our Butterfly bushes and can only look at them in awe when we think that the generation we are seeing will be heading for Mexico and multiple generations later will find their way back here.

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  3. Nice pics and a great explanation. I did a similar post I think it was last year. Genrally I am already seeing Monarchs start to come in from the northern states but have not seen any thus far. I saw one Monarch in June flit through the yard in a great hurry.

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    • I’m still seeing almost one a day! Hopefully, not the same chap 😉 I wonder what conditions were juuust right that worked in their favor this year? Or maybe why they were so many in my area? I’d love to say we’ve restored areas for them. . But that hasn’t happened. .. sad face.

      Liked by 1 person

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