Even the cleanest house plays host to a variety of insects including a number of different spiders. Which ones are safe for you to live with? How harmful are these spiders? Do they earn their keep with their extermination of other pesky insects, or do they need to be evicted? Here's everything you need to know about living or not living with your neighborhood house spiders. There are a number of different spider species that can be found in your home. The most common species you are likely to come across are daddy long-legs, cobweb spiders, brown recluses, black widows, the funnel-web spider, the jumping spider, crab spiders, wolf spiders, and sac spiders. So, where can you find these hidden housemates? Spiders will basically make their home wherever the food is. They also are drawn to areas where there are lights that attract flying insects. Some of their favorite spots to nest are in corners, behind or underneath furniture, in basements and garages, in cupboards, and other dark spots. One plus to having spider roommates is that they aren't picky eaters, and will often feed on the insects we love to hate the most such as mosquitoes, crickets, moths, flies, and even other spiders. Most of the spiders you find in your house are harmless to humans even if they bite them. The only ones you really need to watch out for are black widows, brown recluses, and funnel-web spiders. Symptoms of a black widow bite include nausea, cramping, and respiratory problems. A bite from a brown recluse spider can result in horrible skin lesions (necrosis) that can take months to heal. Bites from the funnel-web spider cause similar symptoms as the brown recluse. Spider bites are often misdiagnosed, however, so try to make sure you actually catch the culprit before you diagnose a bite as having come from a spider. No matter how beneficial they may sometimes be, there are still times when you might just need to kill your unwanted houseguests. There are safe ways to do it, though. One good way to exterminate an unwanted spider and its web is to simply suck it all up with a vacuum. Make sure you empty and destroy whatever you've sucked up right away. This way any eggs you might have sucked up won't have time to hatch. You can also capture the spider in a glass and release it back into nature at least several feet from your home. If you have a problem with any of the poisonous spiders such as the black widow, however, it's best to call in an exterminator to take care of the problem. How do you deal with spiders in your home?