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Cellar Spider


Cellar Spider

Pest Stats


Pale yellow to light brown or gray




Long skinny legs with a small body


¼-3/8” (6-9mm)




Found throughout U.S.


Cellar spiders build loose, messy, irregular, tangled webs in corners, and hang upside down in them. They continually add to the webs resulting in extensive webbing over a brief time. Then the web is disturbed, or spider is threatened, the cellar spider can rapidly shake its body in a rotary gyration movement to confuse the prey and eventually capture it.


Cellar spiders and webs are most commonly found in dark and damp places, like basements, crawl spaces, and cellars. But they can also be found in the undisturbed areas such as corners of garages, sheds, barns and warehouses, on eaves, closets, ceilings, windows, sink cabinets and plumbing traps.


Cellar spiders are a nuisance pest and do not pose a threat to humans. Although they do bite, their weak mouthparts keep them from puncturing human skin and injecting venom.

Long-bodied Cellar Spider Prevention

If you suspect a cellar spider infestation, call A-1 Bonded Termite, Inc. for a free inspection* immediately. This is the safest and most effective way to get rid of cellar spiders. Your inspector will make recommendations to eliminate the infestation and make suggestions on how to correct conditions that may be conducive to re-infestations.

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