Spider Infestation: The 7 Signs to Look Out For

Spiders have been around for 300 million years and could have found their way into your home. Perhaps they are currently spinning their webs in your most unused rooms. However, it’s not that easy to find out. 

There are several tell-tale signs that your home is infested with spiders. Read on to discover them.

Sign #1: The Egg Sacs

One sign of a spider infestation is the presence of egg sacs. They lay hundreds of eggs rather than just one. They wrap them in silk after laying them. If you find one in your home, get rid of it right away. If the egg hatches, you’ll get an extra hundred spiders. Better yet, they’ll be baby spiders that lay eggs and eventually take over your house.

If you find a spider egg sac, call a pest control firm right away.

Sign #2: Increased Moisture

Spiders prefer humid and moist environments for nesting. Spiders may prefer to make a home in certain nooks or cracks rather than the entire house. Because of the increased moisture, spiders may have taken up residence in your basement.

Sign #3: Discovering a Growing Amount of Spiders

An increase in spiders is a clear indication of a spider infestation. Because bugs can invade your home, it’s common to see a few here and there. However, if you notice an unusually large number of them, you should be concerned. The same spiders will begin to crawl around your house if they lay eggs and allow them to mature.

It’s difficult to tell the difference between the two spiders. The Brown Recluse and the Black Widow are two of the most lethal assassins. Contact a specialist if you have this type of infestation. The bites of this spider are fatal.

Sign #4: Surprising Cracks and Crevices

A moist or damp property may have a plethora of unutilized cracks and fissures. Spiders like to hide in these gaps. They could be hidden behind walls, sheds, or even in attics. As a result, it is vital to keep these regions clean. It’s almost as though you’re encouraging the spider in.

Sign #5: Webbings

Just because you don’t see many spiders doesn’t mean you don’t have any. They could be hiding in plain sight. You may, however, notice extra webs in your home. The absence of a spider on the web today does not suggest that one will not appear in the future.

Certain spiders, on the other hand, can spin a variety of webs. Other cob-like webs, as well as intricately designed ones, may exist. In this case, you could be dealing with two different spider species.

Sign #6: Insects in Your House

Mosquitoes, moths, flies, and other insects are preferred by spiders. They keep them on their webs for later use. If you have any of these pests in your home, spiders may have invaded to build a web and feast on them.

Seeing a huge number of bugs on a daily basis and then not seeing any may be cause for concern. Unless you hired a professional pest control company, the spiders may have done the job.

Sign #7: Sudden Bites

Some spiders are toxic and bite, but not all. Spiders do not consume or like humans, yet if threatened, they will bite. They like to build their webs in low-traffic places, so you won’t get many bites.

If you put your hand in one of these spots and get bitten, it’s almost probably a spider.


While most household spiders are harmless, they could be irritating and embarrassing to your guests. Of course, you would want a clean and comfortable home. This is why you should be alert and keep pests, like spiders, away. Make sure they don’t invade your home!

If you’re looking for organic pest control in Sydney, Clean and Green Pest Control is here to treat and eliminate all pests to keep your home safe. Give us a call today!