For many people the first reaction upon seeing an eight-legged critter inside the home is to get rid of it.
September and October are spider mating months, and this means you'll be seeing a lot more of the creatures around.
With the fear of spiders so common, there are a lot of people who dread coming into contact with a creepy crawly – and for many that includes daddy long legs.
However, despite common belief, daddy long legs are not actually spiders, according to the Wildlife Trust.
Instead, the long legged creatures are actually a type of crane fly.
Although they are not exactly the ideal guests in our homes, an expert has explained why we shouldn't kill them.
Even if you are scared by them, the crane fly is actually completely harmless and does not bite, unlike some spiders.
The expert explained exactly what you should do instead.
Director of reserves and community engagement at Warwickshire Wildlife Trust, Karl Curtis, explained: "They are out this time of year because basically, they are hatching out of our lawns and various places - they live a lot of their lives underground as a grub, as a larva, and then what they do is they hatch out over the summer.
"Probably now is the last throw of the dice, and what they do is they come out and looking to mate, lay eggs back into vegetation and then they die off."
Karl added: "They often get confused with spiders but they're not, they're flies, they're really good food source for birds, they're really important to play their part so people should let them out their windows and not kill them."
Mr Curtis also advised that using products such as fly sprays may do more harm that good. The sprays are bad for the environment and should be avoided where possible.
The expert also noted that crane flies - contrary to popular belief - are not poisonous and cannot harm humans.
The long legged critter is often mistaken for a cellar spider. These spiders are in fact poisonous - so it is easy to see why people are a little concerned.
Karl gave a bit of detailed on the differences. He said: "The very long spindly spiders that you get in the corners of your room, they're called cellar spiders, those do pack a punch, but they are not dangerous to humans.
"[Crane flies] they're absolutely harmless. While the female has a point on the end of her abdomen, that's to lay eggs, it's not a stinger."
He added: "The reason they come into the house is for warmth and they are attracted to light so if the lights are on in the house they come inside, and they hatch out in the darker hours to avoid being eaten by birds.
"They're not looking for shelter, they're out looking for a mate and then looking to lay eggs, they end up in houses because their favourite habitat is short grass and we have lawns."
Daddy long legs actually help get rid of spiders - as well as aphids, dead insects, fungus bird droppings, worms and snails - so might actually be worth keeping around if spotted.
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