A butterfly that couldn’t fly

This was our first year of raising monarchs. Most of the time, when a butterfly emerged from its chrysalis, the big event happened before I woke up. So when it was time for the 12th birth, the day after Labor Day, I didn’t even try to wake up early to catch it. But when I checked on her, I noticed a that not only had she emerged, there was major problem: she was stuck in the chrysalis.

chrysalis viewed from above with a butterfly's wings below

Her head and wings were out, but her abdomen was stuck to the very top of the chrysalis. It was obvious that she had been struggling to free herself for some time.

Best practices say that you should not help a monarch who is stuck. If this problem occurs, it is because something is wrong and the monarch isn’t healthy enough to live. But how in the world could I not help?! It was terrible to watch her frantic struggling. And I’m already helping by raising monarchs indoors, away from predators. Of course I felt like I had to help her.

Luckily, my husband was at home that morning to assist. I cut down the chrysalis, and we gently laid her on a towel. It didn’t take much to pull the chrysalis off.

gloved hands tugging at the top of the chrysalis

Her wings were limp, which I thought meant she might be new enough that she still had time to finish drying. I struggled to get her back into the cage because she was desperate to climb up my hands rather than be set down. She knew she needed to be able to hang to let her wings dry.

monarch with wings unfolded in a pair of gloved hands

Unfortunately, when I got home from work that night, her wings still weren’t straight. I thought she flew a tiny bit but then realized it was more of a jump with a flutter. I had already decided to keep her inside overnight, and in the morning, not much had changed.

So what to do? It was the migration season, and she couldn’t fly. She needed to get to Mexico, or she would freeze or be eaten. Would it be more humane to euthanize her? Or should I keep her inside as long as she could survive?

There’s not a lot of advice for a situation like this. The only thing I could find was along these lines: “If the butterfly can’t fly, you should feed the butterfly sugar-water or rotten fruit.” Well, of course we should feed her. But then what? Do we keep her for the nine months that the migration generation lives? And even then, if she can’t fly, we wouldn’t be able to let her out even when the others returned to Minnesota in the spring. This was pretty stressful.

I mashed up an old banana and somehow managed to set her down near – or more accurately, in – it. By the time I had a chance to wonder whether she’d know what to do, I noticed her proboscis was already in the banana.

Later she was standing on top of a slice of plum, so I was assured she could move around on her own (even with fruit-covered feet). But it was obvious that her wings weren’t correct.

monarch with its wings back, the bottom two bent inward and the tips of the top two folded outward

With the lack of a better option, we kept feeding her as the days passed. When I had first told people weeks earlier that I was raising monarchs, several people asked me if I planned to keep them. I thought they were crazy. The whole point is to raise healthy butterflies so they can be released. And now we were keeping one as a pet.

I took her outside when I released a healthy monarch. She seemed to enjoy sitting in the sun and made a couple attempts at flying.

Five days after she emerged, she was very active. For an entire hour, she sat near the mashed bananas: drink, drink, drink, rest. Repeat. It even seemed like she was doing exercises, waving her wings and lifting her abdomen. And then she was trying very hard to fly. It didn’t work so well when she was on a flat surface, but if I picked her up, she could jump and fly away – except I eventually realized that she wasn’t so much flying as she was gliding; her path was always gently to the floor.

monarch with its wings expanded on a white towel

The following night she was even more spunky. She wouldn’t sit still anymore, walking all over the table and gliding over to the window and climbing the curtains.

monarch on a window screen

Many times I picked her up and she jumped off my finger. She seemed determined to fly, and she seemed mad that it wasn’t working.

blurry image of a monarch rapidly fluttering its wings

It seemed that she got discouraged after this. The next night, she would barely eat and only briefly tried to fly.

The next morning she was listless on the floor of the cage, one of her legs already folded up. It was time to help her go. Fortunately Bill was home to help me. We put a tissue in a jar to give her a soft spot to rest, and then placed a cotton ball soaked in nail-polish remover in the jar and sealed the cover. Almost immediately, she was gone.

I never intended to have a butterfly as a pet, but this one stole our hearts. I’m sad that something was wrong to prevent her from flying, and that we couldn’t fix her. Though if we hadn’t helped her out of the chrysalis, she would have died anyway. We did the best we could to help her.

So what went wrong? Everything seemed normal when she was a caterpillar. The one thing I noticed was that it seemed to take her a really long time to get into the J position: she was at the top of the cage for a whole day before making the silk pad and falling back into the J.

monarch in J position

But I watched her transform, and that process seemed fine.

newly formed chrysalis that is still bumpy, not smooth

She’s the chrysalis in this photo:

monarch chrysalis above a caterpillar that's eating a milkweed leaf

But of course, she ended up stuck in the chrysalis. Also, her abdomen had irregular white marks instead of the usual defined lines.

wings flat, abdomen raised to show white splotches

Because of those two things, I thought it might be OE, a parasite that lives inside monarchs and related butterflies. We collected a sample of her scales and used our microscope but couldn’t find anything. But since it’s a very cheap model and we weren’t sure it was powerful enough to see tiny OE spores, we sent it for testing.

scales in clear tape, sitting on a microscope slide

Edith at Shady Oak Butterfly Farm didn’t find even one OE spore, proving that tests are needed to determine OE, not just observation. Here’s what she told me via email: “The problem is that the spotlight is so bright on OE that other diseases are openly doing their nasty work and no one blames them. They treat for OE and sometimes OE treatments won’t take care of the other diseases. … It reminds me of magicians imitating pick pockets. We are so busy looking at their right hands with the flashy tricks that we don’t see their left hands picking the subject’s pockets, right there in plain view.”

Another parasite, or a virus or disease, could have been the culprit. A younger butterfly – which had been raised in the same container as this one – was fine, though, which makes me think it wasn’t a contagious problem. Still, it’s a good reminder for next year that we will need to thoroughly clean the caterpillars’ cages daily (which we did this year anyway) and bleach them between generations (likewise) to try to prevent issues.

monarch with wings expanded on a white towel, with one wing visibly bent under

More about our monarchs

7 comments on “A butterfly that couldn’t fly

  1. Jeannette says:

    I really liked this and it helped me.

  2. Laura Deanne Havlick says:

    This helped me too! I found a monarch butterfly in the park today when I was jogging. It just sat on the ground and flapped its wings once in awhile but didn’t fly off. I tried to feed it water and moved it to area with flowers, but it still just hung out. I took it home because it seemed to not be healthy or it would’ve flown away, I thought. It’s still on my kitchen table in a pot saucer on a small rock with some water and fruit juice. I used dropper to let some juice flow over the small rock it was on and it seemed to feed on it. I would rather put it outside in the garden but worried about it dying that way, i.e., sooner. Your story helped me to see things like this happen and we can’t help it sometimes. I bought some milkweed plants also and put them near him, but he doesn’t seem interested. Thanks for writing your story!

  3. AB says:

    I have a male monarch butterfly and a female monarch butterfly – they both can’t fly. Clover (the female) has crippled wings and only one functioning leg. On the other hand Kiwi (the male) is flightless… that’s why we called him ‘Kiwi’. Although, his wings appear to be fine – and his hatching process was fine, he can’t seem to fly. He takes frequent leaps of faith – luckily I am quick to catch him safely. But he won’t fly. And most importantly – he can’t! Despite how frequently he’s eating and how healthy he is, he can’t fly. With Clover she literally can’t fly due to her many problems. They both feed on honey solution recommended by a person called Dr. Lund. He’s very helpful may I say and you should definitely check out his youtube channel as his topic revolves somewhat around Monarch Butterflies. But I’m not sure what to do with Kiwi. I am rather happy to look after him for his lifetime if that’s what is needed – but I’d prefer if he had a normal life. Much like I wish Clover could have. Everyday (unless it’s raining), I take them outside so they can soak up some vitamin D and enjoy the sun and flowers.
    I’d appreciate any help.
    Thanks, AB.

  4. Amie says:

    Hi, one of the butterfly hatched with deformed left front leg and seemingly weak wings. I tried to fly several times but fell off the ground. I am keeping it inside hoping the wings will become stronger to fly. Meanwhile how often and how much do I feed her?

    • Crystal Colby Mulry says:

      I am not an expert, so please keep that in mind! Is she in a cage? If so, you may be able to leave some food all the time. If that doesn’t work, try in the morning and evening, or more if you have time. Mashed bananas worked great for me. You may also want to try some flowers, though that didn’t work for me. Good luck!

  5. Mary says:

    Thank you so much for your story. I have a caterpillar with one wing that is slightly bent under. I thought I had somehow injured her when taking them outside on a blustery day but she looks just like yours. I had 5 hatch at once and I must not have noticed the defect. She does the same as yours, hops, flutters, lands. She’s less than 48 hours old and not accepting food yet. I am still debating a long term solution. I’m just relieved it wasn’t anything I did. Thanks again.

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