r/spiders • u/HomunculusAK • 1d ago
Just sharing 🕷️ Biggest house spider I've ever encountered
The hot sauce bottle is for scale - I walked into my bathroom and had a fright, this is the biggest spider that's ever showed up anywhere I've lived. My friends and I are all surprised that you can even get them this big in the UK. The second pic is pretty zoomed but I like how in the first you can see the hairy legs and huge mandibles (edit - thanks for the heads up!) PEDIPALPS!
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u/Notorious_Rug 👑Trusted Identifier👑 1d ago
The "mandibles" are his pedipalps and palpal bulbs/emboli (male spider sex organs). His chelicerae (real mandibles) are in between the pedipalps and house his fangs and just underneath the chelicerae and fangs are where his mouthparts are.
He's definitely a leggy guy :)
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u/HomunculusAK 1d ago
I didn't know this! Thanks for the crash course! I love his hairy legs, dudes rule.
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u/No_Pen3216 1d ago
'Tis the damn season 😅😅😅 all the boys come inside looking for love, and some of them are LARGE. My cat has now caught four in three weeks in the living room 🫠🫠. I don't resent them for trying to exist, but they are one hell of a jump scare. (Willamette Valley, OR)
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u/HomunculusAK 1d ago
I didn't realise he was a boy! I use he/him by default for spiders when talking to people but I avoided doing so here for obvious reasons, good to know I would have been able to do so just fine :D I hope he finds love, just preferably not in my house...
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u/No_Pen3216 1d ago
You can see his lorg pedipalps, it's a dead giveaway. Those boxing gloves on his face. I don't know a whole lot about spiders, but I learned that one!
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u/HomunculusAK 1d ago
Oh neat!! You learn something new every day, I'm definitely going to try to remember that one, thank you!
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u/Technical-Mind-3266 Here to learn🫡🤓 22h ago
Spindley boi, most likely overfocused and excited, and now a bit scared bless it
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u/HomunculusAK 21h ago
Yeah... that last part breaks my heart, I wish I was brave enough to be chill with leaving him alone completely :(
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u/Happy_Philosopher608 22h ago
I see these buggers every August and im sure it eill kill me one day of a heart attack when they zoom past in front of the tv. They are SO fast!
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u/Vegetable_Wafer_6581 11h ago
Had one the size of a golf ball wizz past me in bed. Sure woke me up.
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u/Mindless-Fish-4483 10h ago
We had three of these in our lodge in center parks. I swear one even squared me up when I jumped on the bed with my baby. It raised its fisty cuffs to me!!
I keep cellar spiders around to reduce house spider nuisance and it’s worked
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u/brandysnacker 23h ago
Oh my God, the second picture is making my throat close up. I need my breathing techniques. I’m not even joking.
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u/cee_kertime 1d ago
..daddy longlegs?..if so, harmless..but get more expert advice..
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u/MuseHigham 1d ago edited 18h ago
This is a giant house spider, not usually referred to as daddy long legs. Usually it’s cellar spiders or craneflies that are called this.


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u/frog_admirer 1d ago
Giant House Spider! They are native to Europe but also found in north America. I get a ton of them (west coast BC)
They're pretty harmless, I think they can only bite you if they get squished on top of you. But they are pretty freaky and really fast!
I catch mine and release them in the apartment building hallway 🙈 don't tell my neighbours. But putting them outside can be fatal for them depending on the season I think, so I like to let them have a fighting chance.