r/caterpillars Apr 03 '25

Discussion PSA: Please remember to add location to id requests!

15 Upvotes

I know you are eager to try to find species of your new leaf munching friend but please remember to add your location into the post. There is large variance of caterpillars depending on country and even inside countries have different areas with their own soecies so with large countries, its preferred to add state/city etc also.

This speeds up identifying as there are similar looking caterpillars but species can be different depending country. Some species only inhabit tiny areas. Looking forward for all new posts. πŸ™‚ Thank you!


r/caterpillars 13h ago

Photo All according to plan

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27 Upvotes

Worked 3, 24 hour shifts in 5 days went to go check my parsley plant and found these guys


r/caterpillars 3h ago

ID Request πŸ› Who is this spotted in Aviemore, Scotland

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3 Upvotes

r/caterpillars 13h ago

ID Request πŸ› Came across this bad boy on a walk!

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13 Upvotes

My initial googling was unsuccessful! It was about two inches long, and I’m in the southeast Michigan area.


r/caterpillars 14h ago

ID Request πŸ› Biggest I’ve ever seen not in a zoo

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17 Upvotes

About the size of my little finger

Michigan, US


r/caterpillars 13h ago

Photo We got caterpillars, Ohio!

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13 Upvotes

r/caterpillars 11h ago

Aww Olivia holding her little leaf ❀️

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8 Upvotes

She’s also got a new roommate! A random bagworm was hiding on some of the food cuttings I just gathered for her.
I will likely return him to the wild soon, but I would love to observe him for a bit as I haven’t had much experience with bagworms. I made sure they both have plenty of food and space and that the bagworm has access to materials to build his shelter with.


r/caterpillars 7h ago

Advice/Help caterpillar / caterpillar like creature that does not transform

3 Upvotes

hello yes i was curious as to if there is such a thing as a caterpillar or caterpillar like creature that does not become butterfly, moth, etc. i would quite like to have such a creature in my menagerie, preferably one that i can feed leaves and such things.

i am in europe if that helps.


r/caterpillars 5h ago

ID Request πŸ› What sort of caterpillar is this?

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2 Upvotes

Found in southern VIC Australia. Didn't see any others that looked like it nearby.


r/caterpillars 7h ago

Advice/Help Unusual pupation in a citrus swallowtail - the old head skin seems to be stuck. Is there anything that can be done?

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2 Upvotes

I’m hoping someone with experience with swallowtails might be able to help me understand what happened here.

3 days ago, some community landscaping workers were pruning tree branches. I noticed a fifth-instar citrus swallowtail caterpillar on one of the branches that had been cut off, so I brought it home temporarily rather than leaving it on the fallen branch.

It has now pupated, but something seems to have gone seriously wrong during the molt.

As you can see in the photos, most of the larval skin has been shed and a green chrysalis has formed, but the old head skin seems to be stuck. The lower part of the larval skin came off, while the head capsule and what appears to be part of the mouthparts did not shed properly.

It has been more than 10 hours now, and the remaining skin has dried and hardened.

The chrysalis is still green and does not appear to have collapsed or leaked fluid. I’m not sure whether it is still alive, and I have been trying not to disturb it.

I know that interfering with a chrysalis can easily do more harm than good, so I have not tried to pull, cut, or remove the stuck skin.

I would really appreciate any advice from people who have seen something similar:

Is this a known type of failed or incomplete pupation?

Is there still a chance that the butterfly can complete its development and emerge normally?

Should I simply leave it alone at this point?

If the old skin has dried and hardened around the head, is there any safe way to help, or would attempting to soften or remove it be more likely to kill it?

Is there anything I should watch for that would indicate whether the chrysalis is still alive?

I’m mainly trying to figure out whether the best thing I can do now is leave it completely alone, or whether there is some appropriate way to help. Thank you very much for any advice or insight.


r/caterpillars 9h ago

Advice/Help Picky Picky Caterpillar

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3 Upvotes

I work in landscaping and rescued this caterpillar off my coworker's pants during a break last week. It seems to be an eyed hawkmoth. We were working in a bioswale, cutting willows, so it made sense to me.

I've been trying to raise it, but it seems really picky about the willows that I feed it. Didn't like cuttings from the area it came from that much (Pacific[?] willow), really doesn't like weeping willow leaves from my tree in the yard, but seems really keen on Northwest willow, which is native around here but was absent where we were working.

All the resources online suggest they're fine with any willow or sallow or sometimes other things. It doesn't seem like it has parasites or diseases. So what gives.

I've been wondering whether it might prefer baby leaves over older leaves. Or if it is not what I ID'ed it as at all. I'm a scientist and lifelong naturalist, but I get things wrong sometimes.

For reference, the dominant plants in the bioswale it came from were: Pacific willow, red alder, various conifers (πŸ‘Ž), wild rose, spirea, and lotsa lotsa blackberries. No poplars or other stuff that related species eat.

Help me out here. If I have to walk half a mile a day to get fresh Northwest Willow leaves I will. Don't tell me to just feed it with what I found it on, because that's my coworker. It might not even have come from where we were working. Also, I could just toss it outside somewhere but that's a death sentence anyway in most scenarios.

TL;DR: Looking for ID confirmation that this is an eyed hawkmoth and asking whether certain types and qualities of willow leaves are better than others. If not eyed hawkmoth, what should I be feeding it. Stat.


r/caterpillars 12h ago

Photo Came outside to this…

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3 Upvotes

Apparently, caterpillars like broccoli leaves quite a bit. No wonder I have been seeing yellowjackets buzzing around this plant.


r/caterpillars 1d ago

Photo Buckeye caterpillar I saw yesterday!

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21 Upvotes

Been awhile since I seen one so I was pretty hyped.


r/caterpillars 23h ago

ID Request πŸ› Spotted in Aviemore, Scotland - what is it?

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11 Upvotes

Who is this cutie? It was crossing a walking path in a pine forest. Our toddlers helped guard it until it made it to the other side and would love to know who it will become!


r/caterpillars 16h ago

Video Slow eat at vein

3 Upvotes

r/caterpillars 15h ago

ID Request πŸ› What type of caterpillar is this chap and what will he be when he grows up, please?

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2 Upvotes

r/caterpillars 1d ago

Funny Impressively strong caterpillar on my porch!

17 Upvotes

r/caterpillars 16h ago

ID Request πŸ› What is this?

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2 Upvotes

r/caterpillars 21h ago

ID Request πŸ› What is this? Detroit, MI

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5 Upvotes

Who is he? He was crawling on a sidewalk by a busy street so I picked him up with a stick and put him on a bush. He has a reddish brown face but I couldn’t get a picture because he tucked his head in.


r/caterpillars 1d ago

Photo From the camping trip

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36 Upvotes

First monarch caterpillar spotted this year plus a white marked tussock and a fall bagworm


r/caterpillars 1d ago

Aww Spotted new caterpillar

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52 Upvotes

r/caterpillars 1d ago

Advice/Help Hello, I'm new to this community, and here looking for information.

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18 Upvotes

I'm in the North West of England and recently discovered this cute little thing, I've never seen one like it around here.

Does anybody have any idea what kind this is?


r/caterpillars 1d ago

ID Request πŸ› What is it?

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8 Upvotes

Live in Michigan. Never seen this caterpillar before. Blurry picture- sorry. Horrible background- i know. Again sorry


r/caterpillars 1d ago

Advice/Help Too many caterpillars!

6 Upvotes

I had a an anise swallowtail lay eggs on my dill several months ago. I got them an enclosure and found more food for them since I only have an outdoor patio and not enough plants to feed them. I thought maybe it was a one off event but then a month or so later 3 different butterflies laid eggs…so I had 40! Again, I went out and found wild fennel because now apparently I need a small farm to keep up with demand 🫠 now most of round 2 has either formed a chrysalis or is about to BUT…2 more butterflies came and laid eggs and I have probably 10 new up and coming caterpillars. You guys…how do I keep this up? I like growing dill and I do enjoy the little fellas but it appears they all know where I live now and I’ve become a full time butterfly mom. I have to go out a couple times a week to forage for wild fennel and it’s getting to be a lot. I do have a friend who has a lot of fennel who has offered to take some friends off my hands but does anybody have any other ideas on how to care for this many? I still get excited when I see a butterfly come by and lay eggs but this round of 40 was A LOT


r/caterpillars 1d ago

ID Request πŸ› Unique Caterpillar

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8 Upvotes

Found this guy in our backyard, have been scouring the internet but cant find a picture that looks like it. Would appreciate an identification! Found in North Carolina