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by Anthony Gomez

A year ago

Raising Butterflies Blog

Hatching Butterflies…a Monarch Emerges from its Chrysalis!

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

A year ago


By Anthony Gomez

Hatching Butterflies…a Monarch Emerges from its Chrysalis!

by Anthony Gomez

A year 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 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 48 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 hatching butterflies and raising healthy monarchs, a ✬✬✬✬✬ rated PDF download on How To Raise More Monarchs, with Less Effort is available for purchase HERE

★ Customer Reviews

Let customers speak for us 👍👎🏾

2113 reviews
Nice Poo Poo Platter Cage Liner.

I did not use the platter cage liners yet because they are small for the large butterfly cages I ordered and since I had 2 large milkweed plants inside, I had to use other liners to fit. Thank you for the prompt delivery!

Thank You for the butterfly cages!

Thank you very much for the butterfly cages that were large enough for me to place two large potted milkweed plants inside. They are easy to clean, and it was a delight to watch the cats in the cages. They were well-packaged and promptly delivered.

Small cages are great . . .

. . . great for small caterpillars or a single large one. I use these for the 2-3 instars, and they are easy to clean, don't take up a lot of space. Perfect!

Great product!

This peg rack and tubes work just great!

Arrived quickly

So thankful for the quick response as my monarch cats where eating so much that I needed another rack and floral tubes! So pleased!