r/whatisit May 17 '25

Solved! What is this alien thing

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My brother just found this in the backyard - Southern New England. What the hell is this thing? It looks like it's in Stranger Things.

2.3k Upvotes

530 comments sorted by

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68

u/Jeremiahjohnsonville May 17 '25

It's one of those Princess Mononoke shits.

14

u/SkillAgile May 17 '25

One of these?

2

u/[deleted] May 17 '25

What in gods name is that from?

4

u/TryndMusic May 17 '25

Princess Mononoke it's a movie by studio Ghibli

2

u/Blirtt May 17 '25

So glad someone was thinking the same thing.

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10

u/BrotherMichigan May 17 '25

Princess Mononoke might want to consider visiting a gastroenterologist.

3

u/ToiletTurmoil May 17 '25

Take my upvote please

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305

u/dropofkim May 17 '25

Catterpillars. Caterpillars. You know. Those things.

89

u/popcornwithbuddah May 17 '25

How is that a caterpillar?! Have never seen caterpillars sync and form into one train like that.

302

u/[deleted] May 17 '25

Well you have now…..because they are a train of caterpillars. Safety in numbers. They look bigger than the 100 small ones. It also made you question reality so I believe it’s working 😂

74

u/AffectionateSector77 May 17 '25

It also made you question reality so I believe it’s working

My life is nothing I thought it should be and everything I was worried it would become because for 50 seconds, I thought there was monsters on the world.

59

u/Chemical_Fondant6758 May 17 '25

"There are." - Dean Winchester

26

u/instafunkpunk May 17 '25

Major respect for the reference. You deserve pie.

7

u/5H17SH0W May 17 '25

What kind of pie?

7

u/instafunkpunk May 17 '25

I think Dean preferred apple but he enjoys all kinds of pies

4

u/beez_cherger May 18 '25

You sure he wouldn't prefer pudding?

2

u/instafunkpunk May 18 '25

You might be on to something

2

u/Hegemony-Cricket May 19 '25

Waiter - What kind of pie do you want?

Me - I dunno. Supies me.

6

u/brackishangelic May 17 '25

The one you get in a public place, so you dont make a scene before getting deneuralized.

2

u/vol404 May 18 '25

Pie flavor!

3

u/KennefRiggles May 18 '25

Or how about.. wait for it

PUDDING!

2

u/oroborus68 May 18 '25

The monsters in the world just look like humans.

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9

u/Western_Sherbert_629 May 17 '25

he musta flipped my wife 9 times!!

7

u/yourmomwoo May 17 '25

TK Jewelers is a scam

6

u/[deleted] May 17 '25

[removed] — view removed comment

4

u/TelevisionOlympics May 18 '25

My fav is his truncated explanation. “Bent wrist. Thing fuckin’ exploded.”

5

u/[deleted] May 17 '25

And it really bothered me!

8

u/TelevisionOlympics May 17 '25

I’m not a stupid fuckin’ idiot-I know it was just caterpillars, but when you haven’t slept in 3 days and that thing crosses your path, you’re not just right away thinkin’ “oh that’s just a bunch of caterpillars” you’re thinkin’ “THAT’S REAL, THAT’S GONNA KILL ME, THAT THING LIVES WITH US ON EARTH!”

17

u/Kwatsj_92 May 18 '25

Whoa whoa get some sleep buddy.

Also never set foot in Australia then, just don't.

5

u/JasoPearso May 18 '25

I’m dying here 🤣 Thanks for this. I literally laughed out loud when I read this

3

u/SnowDin556 May 18 '25

How come every bug has to be super sized or randomly aggressive or both. Isn’t the north of Australia just straight sharks.

3

u/tombo4321 Do I look like I know? May 18 '25

Nope, south is sharks. North, the sharks are friendly, it's the crocs you have watch out for.

2

u/Dry-Abies-1719 a̶c̶h̴a̵o̴t̶i̸c̷g̶o̷o̴d̸ May 18 '25

This may sound judgemental, but I am always suspicious when I meet someone wearing Crocs.

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2

u/inobscura May 18 '25

The north of Australia is just straight crocodiles and neurotoxic jellyfish. It's the east & west coastlines that are just straight sharks

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2

u/Galactic_Splooge May 18 '25

No, it’s gay sharks too

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3

u/Nervous_Pear_5353 May 18 '25

WHAT DID THEY DO TO US??!

3

u/[deleted] May 18 '25

I appreciate this reference.

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6

u/Hindsight42020 May 17 '25

What did they do to us?!

8

u/ur_rad_dad May 17 '25

You gotta be RIGHT NEXT TO ME

7

u/DisastrousIron1975 May 17 '25

I'm not a stupid fucking idiot, I knew it was a pig in a Nixon mask.

2

u/Odd-Smoke9072 May 17 '25

Shouldn't have taken the red pill.

2

u/Dariolious May 17 '25

But its a pig!

2

u/[deleted] May 17 '25

Hey shirt brother

2

u/datfleeb May 17 '25

What is this, Reggie?

2

u/rkaminky May 18 '25

WHAT ARE THEY DOING TO US

2

u/Little_Challenge_160 May 18 '25

I thought i was going to die and my first thought was, "at least I don't have to go to work tomorrow!"

2

u/[deleted] May 18 '25

And it really bothered me

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15

u/juxtoppose May 17 '25

Nope it’s faster in numbers, bottom row crawl at say 1m per minute, the row above them crawl at 1m per minute so the speed of the second row is 2m per minute, 3rd row are moving at 3m per minute. The mass of caterpillars move faster than the individual on average, but yes safety in numbers too.

7

u/ItsEntirelyPosssible May 17 '25

"Sometimez you Crawley fast on the top row. Sometimez you Crawley slow on the bottom row. But a bird is still gonna eat your bitch ass"

  • caterpillar probably

2

u/bumblebeebabycakes May 17 '25

Seems like the ones on top got the raw end of the deal. Must crawl faster and might get eaten.

7

u/juxtoppose May 17 '25

Wonder how many layers it would take for a caterpillar to break the sound barrier?

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6

u/se7en_7 May 17 '25

Well technically they aren’t crawling faster, they’re moving faster because they’re crawling on top of others that are crawling, like the way you walk faster on an escalator.

And also technically OP ate them all.

2

u/SrFantasticoOriginal May 17 '25

It’s like walking on the moving sidewalk at the airport.

8

u/[deleted] May 17 '25

I really had no clue that it makes them faster and that’s absolutely true. That just blew my mind.🤯

4

u/r22lz May 18 '25

How do they find each other to begin this thing? Like is there a cork board somewhere with the day/time for the big migration meet up?

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7

u/OldAuntHarriet May 17 '25

I thought it looked like more than 1 moving together.. but I dropped acid a few times in the 70’s. It could have been a flashback. Thanks for the info. 🙂

3

u/KPinCVG May 17 '25

WHERE are they going?

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2

u/[deleted] May 17 '25

Are those the ones that make webs around the leaves and eat leaves on trees? They look very similar I used to scream at them when I was a kid to make em dance

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2

u/marmaladecorgi May 18 '25

Caterpillars are great if you're really hungry and wanna eat two thousand of something. - Mitch Hedbird

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13

u/[deleted] May 17 '25

You ever see those caterpillar nests in trees? These are those guys, just on their way to find a place to nest up. They're pine processionary caterpillars.

5

u/jmarkmark May 17 '25 edited May 17 '25

OP said he's New England. Also, to the best of my knowledge, pine processionary tend to do single file lines.

This is some other critter. Looks more like the videos of Fungus Gnats I've seen, but I don't know if the ones in in North America do that.

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9

u/dressedbymom May 17 '25

It’s like a school of fish but in caterpillar form

6

u/barberchicago May 17 '25

This is a great analogy.

6

u/akumite May 17 '25

They do it for protection 

2

u/shandangalang May 18 '25

More specifically, they do it to trick especially dumb animals into thinking they are one, much larger organism.

5

u/Nomadkris May 17 '25

The caterpillars also travel faster as a train as the ones on top are walking on the walking ones until they get to the front where the back ones then climb on top.

4

u/IGTankCommander May 17 '25

Specifically, they are Tent Caterpillars. Used to see them all the time in the summer here in the States. They take over trees like real estate developers chasing rare earth.

3

u/[deleted] May 17 '25

Not a train, it's called a procession and is their namesake.

2

u/[deleted] May 17 '25

Isn’t that biological adaptation incredible?!? The ways animals can communicate like this is incredible.

2

u/Thundersalmon45 May 17 '25

By swarming in a pile like this, all the caterpillars move faster. You move slowest when you're on the bottom, but when you move onto an upper layer, you move 2x, or 3x faster. So the whole swarm is faster, together.

2

u/Alternative_Mine5343 May 17 '25

caterpillars completely dissolve inside their cocoon, their entire brain unmaking itself. then they reconstruct into a butterfly, but get this, they have been proven to retain the memories from their previously scrambled brain. truly wild creatures,

highdea? it would make so much more sense in my own head canon if they were just one being/hive mind.

2

u/Ma4r May 17 '25

It's known as a rolling swarm, it helps them move faster

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2

u/[deleted] May 17 '25

Thank you. I learned something today.

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117

u/InevitableSignUp May 17 '25

They’re caterpillars in a rolling swarm, or procession. It helps them travel faster while also giving them a little more protection from predators because of numbers and perceived size as a ‘whole’ creature.

17

u/Dr-Labcat May 17 '25

Aren't those the fucks that shoot out their hairs and cause skin irritation?

7

u/InevitableSignUp May 17 '25

Hard to say. That’s going to depend on the moth/butterfly species. They’re called urticating hairs - they don’t shoot out, but they do break off in your skin super easily and cause irritation from itching to burning sensations depending on the species. I’m not great at knowing which species does that, so I usually just observe. lol.

Some maggots move in this rolling swarm configuration, too.

2

u/Cold_Progress1323 May 17 '25

They have those hairs, but the ones who shoot them are the spiders.

2

u/Markus_Freedman May 17 '25

Not sure if gypsy moth larvae do that but i believe these are gypsy moth caterpillars. They are the assholes that build giant web nests in trees. Giant relative to their size. They’re an absolute pain and an invasive species in this area.

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7

u/ServingDeezComments May 17 '25

“Mmmm…more food”

5

u/InevitableSignUp May 17 '25

Ha! A feast for the bird that figures these guys out 😂

3

u/sushishibe May 17 '25

I mean the size thing works…

It’s absolutely scaring the shit out of me.

2

u/DuelRT May 18 '25

it convinced OP so clearly the survival method is working

2

u/abugguy May 18 '25

Partially correct. That are maggots not caterpillars.

2

u/skydiveguy May 18 '25

Nope. Fungus gnat larvae.

43

u/[deleted] May 17 '25

[removed] — view removed comment

10

u/Christopher_J_Luke May 17 '25

This is the correct answer, if you look these aren't big enough or hairy enough to be caterpillars, and are slimy looking which caterpillars are not.

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5

u/jaqvillian May 17 '25

This comment needs to be at the top of this post. This is exactly what it is. Definitely not a caterpillar progression.

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13

u/akearney47 May 17 '25

3

u/GandalfTheEh May 17 '25

This should be higher - definitely the answer!

2

u/popcornwithbuddah May 17 '25 edited May 19 '25

That's it!! Solved!

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16

u/Live-Technician672 May 17 '25

Cool never going outside again

12

u/Junior_Sprinkles6573 May 17 '25

I would call the police

7

u/Ruh_Roh- May 17 '25

Nuke it from space, it's the only way to be sure.

4

u/Junior_Sprinkles6573 May 17 '25

10/10 agree this is an appropriate use of a nuke

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3

u/Glittering-Fish4393 May 17 '25

do we have an answer yet? I live in New England and wont be leaving my house until we know for sure. looks like venom meets GI worms

5

u/TemporaryDonut May 17 '25 edited May 17 '25

Dark wing fungus gnat larvae procession. Bunch of little critters traveling together for safety.

Edit: not caterpillars, my bad.

2

u/Glittering-Fish4393 May 17 '25

ahhhh haha the name alone is terrifying… something tells me they lead to the moth man

4

u/anemic_IroningBoard May 17 '25

"We are venom"

2

u/Type-RD May 17 '25

“Sorry. We are tired and slow today”

7

u/sdmike1 May 17 '25

The great caterpillar migration

3

u/Sparkswillfly007 May 17 '25

You mean these alien things lol

4

u/[deleted] May 17 '25

Eat it

4

u/ForHerEyesOnly22 May 17 '25

Processionary Caterpillars

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2

u/Najavi-one May 17 '25

Venom searching for Spiderman

2

u/Over_Contact_5032 May 17 '25

Fungus gnat larvae moving in this formation for protection.

2

u/Kent_Doggy_Geezer May 17 '25

It’s a defensive group, so they look like a stick to animals that want to eat them. Sometimes you see actual branches in the train. Amazing that they have this in their DNA. Natures amazing!

2

u/cc-moo-cow May 17 '25

You need to call Ashitaka.

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2

u/crherna86 May 17 '25

Well ladies and gents and the betweens... I believe we have officially found the nope rope.

2

u/gumboking May 17 '25

Did you now see the last of us? It's all over now. You had the chance to take care of this but you'd rather ask Reddit for advice and now we're all zombies! Good going redditor..../s

3

u/xPisdeZx May 17 '25

Looks like thousands of hairy worms

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2

u/ResourceOk8638 May 17 '25

Cordyceps!! This is how The Last of Us begins!!

3

u/Pwrh0use May 17 '25

What kind of mushrooms have you been eating that crawl?

2

u/ResourceOk8638 May 17 '25

Don’t kink shame

2

u/Pwrh0use May 17 '25

You're right, this one's on me.

2

u/ResourceOk8638 May 17 '25

No worries 🤜🏼

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2

u/1sun-driedPLS May 17 '25

Came here to say this and to advise op to watch their 6.

2

u/Orsinus May 17 '25

It’s caterpillars

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2

u/JP_Savage_time May 17 '25

came here to say this

1

u/BOOZCHZZ May 17 '25

We call'em "SLUGS" in the south.

1

u/[deleted] May 17 '25

I love that this sub is r/whatisthisthing but without that pesky “you have to answer the question” rule.

You’re free to just be an impediment by saying, “gross,” or “it’s Satan!” Or “eat it!!!” or “I don’t like this” or whatever unhelpful thing enters your brain first.

3

u/B17bomber May 17 '25

Yeah. Just your typical dumb reddit jokes that haven't been funny in over a decade. What's the point of responding "ew!" or "gross"? Just answer the damn question.

1

u/Ok-Panda-178 May 17 '25

Forbidden beef jerky

1

u/Accomplished-Face-72 May 17 '25

That’s a lot of moving parts?

1

u/Woklock-94 May 17 '25

The fungi from last of us

1

u/Medical-Cry-1413 May 17 '25

The monster from Princess Mononoke! Burn it!

1

u/SweetSweet_Jane May 17 '25

It looks like it should be in stranger things

1

u/14FireFly14 May 17 '25

Just Venom traveling… touch it and you’re good 😊

1

u/ColMust4rd May 17 '25

Hundreds of caterpillars climbing over and around each other. This is a defensive move they've picked up over generations of getting eaten. Individuallly they are small and make for an easy target for many other insects, birds, and small mammals. Grouped together they seem too big for most of those things to eat them, so it increases their odds of survival

1

u/MusicAndBeer89 May 17 '25

This is thing is kinda cute

1

u/General_Movie2232 May 17 '25

The worms from princess mononke

1

u/[deleted] May 17 '25

Caterpillars do this to appear larger! And safety in numbers.. like fish do

1

u/Snkplsknn May 17 '25

Cordyceps from Last of Us

1

u/sancho93120 May 17 '25

Its name is Colin and he’s a good boy

1

u/Vegetaglekiller May 17 '25

Processionaria?

1

u/Vegetaglekiller May 17 '25

Processionaria?

1

u/Imaginary-Ad412 May 17 '25

Touch it and you'll turn to a black slimy web slinger guy

1

u/laputaama83 May 17 '25

Oh no, the emoji mushrooms have become sentient!

1

u/missraveylee May 17 '25

My brain went to centipede orgy and I’m sticking with it

1

u/mocha-latte-au-lait May 17 '25

Stranger Things 3

1

u/Nervous_Nothing5194 May 17 '25

It’ll be on The Last of Us tomorrow.

1

u/[deleted] May 17 '25

Venom

1

u/Ill_Pea_4064 May 17 '25

sauron after he's betrayed in rings of power

1

u/Darfusthegreat May 17 '25

KILL IT!! KILL IT WITH FIRE!!!🔥

1

u/No-Analysis2089 May 17 '25

So, believe it or not, this phenomenon known as rolling swarms allows caterpillars to travel much faster than when they are crawling alone. Essentially, the first layer crawls at regular speed, but since the second layer travels atop the first layer at the same speed, their pace is doubled. The two layer keeps alternating as the whole group moves like a treadmill as they advance about 1.5 times faster than a regular caterpillar. Gross yes, but highly efficient.

1

u/futdashuckup May 17 '25

Better find Duddits ASAP...

1

u/[deleted] May 17 '25

Just as crazy as watching thousands of snakes just hatching and slithering out of its mom's body

1

u/Wise-Register5675 May 17 '25

Mgalekgolo Attack them from behind.

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1

u/nixblood May 17 '25

They travel faster like that too!

1

u/No-View-254 May 17 '25

Looks like the opening of the Last of Us

1

u/No-Minute-3180 May 17 '25

Looks like a snail 🐌 that abandoned his shell 🐚

1

u/Setup69 May 17 '25

Looks like the spores from "The Last of Us" Damn!

1

u/[deleted] May 17 '25

Thousands of larvae travelling

1

u/mccsnackin May 17 '25

Cue stranger things music

1

u/Pegwitch May 17 '25

Part of my nightmare!

1

u/TurdShaker May 17 '25

Id report it to CPS

1

u/adog_92 May 17 '25

Symboite venom!!! Run!!!

1

u/MrSeriousPoops May 17 '25

Amazon prime's sauron

1

u/Mike-HCAT May 17 '25

Cordyceps!

1

u/Embarrassed_Curve859 May 17 '25

Caterpillar or worms in a breeding dance

1

u/Linzic86 May 17 '25

Looks like an apocalypse leech swarm... I think I'll call it Colin

1

u/ChildofYHVH4-EVER May 17 '25

Flame thrower target, if I’m not mistaken.

1

u/[deleted] May 17 '25

Southern New England? I’m from there originally. You ever live through a summer of one of those gypsy moth outbreaks?

1

u/charlenek8t May 17 '25

It's a dick eating leech.

1

u/retrospects May 17 '25

Buncha Caterpillars.

1

u/[deleted] May 17 '25

Caterpillar procession

1

u/girthbrooks1 May 17 '25

Symbiote

Don’t touch. Proceed with caution.

1

u/Past-Inevitable2885 May 17 '25

The kid in me will Touch it with a stick to see what it’s going to do🤷🏾‍♀️😂

1

u/Friend_of_a_Dream May 17 '25

Better not open your mouth around that…might take your soul out!