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by Tony Gomez

A month ago

Raising Butterflies Blog

Butterfly Birth…a Monarch Emerges from its Chrysalis!

Eclose Encounters of the Monarch Kind: When a butterfly emerges from the chrysalis!

A month ago


By Tony Gomez

Butterfly Birth…a Monarch Emerges from its Chrysalis!

by Tony Gomez

A month ago

Monarch Metamorphosis: The Final Chapter

10-14 days after your monarch forms a chrysalis it will become transparent, revealing the magnificent butterfly inside. Once it’s completely transparent, you know it will emerge that day. The most common question I get at this point is: How can I tell when the butterfly is about to come out?

The answer? Go to the bathroom for 5 minutes, and come back to a newly emerged butterfly. 😉 That’s the way it seems to go for many…

However, there is a way to indicate that you should hold off on that quick trip to the loo…

Look at the top of the chrysalis where the butterfly abdomen is located. When the chrysalis pleats start to expand and separate like an old slinky, the butterfly is about to eclose (emerge) from the chrysalis…or at least within the hour.

When the top of the monarch chrysalis pleats start to expand and separate (like an old accordion) a magnificent monarch will soon emerge. More Info on Hatching Monarch Butterflies...
Coming Soon | Photo by Karen Wiles

Did You Know? If you raise monarchs in cool temperatures or in a dark room, they’ll often hatch later in the day…and days later!

Seconds after the butterfly emerges it will look nothing like the majestic monarchs you’ve seen fluttering through your garden. Its wings will be small and crumpled, and its abdomen will be plump and filled with fluids:

At this time, the butterfly also uses mouthparts called labial palps to fuse together the proboscis (straw-like appendage used to take in nectar) from two thin pieces into one super straw. The butterfly will unroll its proboscis and pat it together between the two palps…

A newly emerged monarch butterfly uses its labial palps to pat down its unfurled proboscis, which must be fused from two pieces into one so it can feed on nectar.
Photo Courtesy of The Beautiful Monarch

Over the course of the next minutes, hemolymph from the abdomen will be pumped through the wings, until your butterfly starts looking more monarchesque…

When monarchs first emerge from their chrysalides, their abdomens will be filled with fluid. Over the course of the next few minutes this fluid will be pumped through their wings until the butterfly appears more monarchesque. More info about hatching monarch butterflies...
From Wrinkly to Smooth

About half an hour after a monarch ecloses, it will expel a reddish fluid (through its anal opening) called meconium. This is metabolic waste built up while inside the chrysalis and is completely normal.

Shortly after a monarch butterfly emerges from its chrysalis, it releases a reddish fluid called meconium. This is built up metabolic waste and is completely normal...
No Need to Worry

Although meconium release is a normal part of monarch metamorphosis, these other occurrences are not…

Potential Issues?

Newly emerged butterflies must be able to hang down so their wings can expand and dry properly. If they don’t have room to do this, wrinkled and deformed wings will keep them grounded for life. 😟

If a butterfly falls from its chrysalis and is not immediately placed back up to hang down, its wings will be deformed and it will never fly.

If a butterfly is permanently unable to fly (but healthy otherwise) it can be kept as a pet, left outside to support the ecosystem, or euthanized.

Euthanize by placing the butterfly inside a paper towel and squeezing or place the butterfly inside a plastic baggie and put in your freezer for at least 48 hours.

If you choose to keep a flightless butterfly, check out this info on feeding adult butterflies.

If a butterfly falls from its chrysalis and is too weak to hang on after being placed back up, it is probably heavily infected with OE parasites and should be euthanized to avoid spreading parasites to future generations of monarchs.

If a butterfly is unable to emerge from its chrysalis, OE is again the likely issue. If a chrysalis is transparent for more than 72 hours, the butterfly is either deceased or very sick. You can euthanize using the same methods listed above.

If your butterfly is able to emerge and dry its wings properly, your final step is on the horizon…safely releasing your butterflies so that they can lay the foundation for future monarch generations.

For further on butterfly birth and raising healthy monarchs, a ✬✬✬✬✬ rated PDF download on How To Raise More Monarchs, with Less Effort is available for purchase HERE <<< (choose paperback or PDF download)

★ Customer Reviews

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2305 reviews
Love the Tall Baby Caterpillar Cages

These are my favorite cages for raising my butterflies. The poo poo platter fits in this cage for easier cleaning and during my busy time mid-season I had seven of these cages is use at the same time!! I have learned so much through you and this community and have improved my raising skills and raising capacity over the last three years. I've also gotten others to begin
using these cages.

Great racks for the tubes

These short racks hold the floral tubes securely and are well made. I like the white racks for the floral picks, but I've had 2 cats make their chrysalis on the underside of the squares. I had to move them (very nerve-racking!) This doesn't happen with these shorter racks. Definitely beats using egg cartons to hold the tubes!!

Life with Monarchs

Have learned to love the cubes!! They help me to provide a more “ normal” environment for my cats and butters…and I appreciate all of the information provided by this web site. Thanks!

Perfect setup.

The mesh cage, the plastic tubes, and the short peg tube racks all worked perfectly to help me protect and successfully raise my Monarchs. Great products!

caterpillar cage

I love the clear mesh cages they are my favorite. You can see whatever you have inside.