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Cellar Spiders

Cellar Spiders
Class: arachnid
Other Names: daddy long-legs, granddaddy long-legs, carpenter spider
Color: tan or gray
Size: 1/16"
Legs: 8
Diet: small moths, mosquitoes, flies, other insects
Hazard: Harmless
Interesting Fact: They are useful for getting rid of other spiders. They are known to consume black widows.
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Have you ever reached into a shelf in your basement and encountered a sticky web or, even worse, felt something crawling up your hand? If so, you may have cellar spiders, often referred to as daddy-longlegs. There are about 20 different species of cellar spiders found in the U.S., but they all share some common physical characteristics, including:

  • A two-part body, with an elongated abdomen. (They are sometimes known as long-bodied cellar spiders)
  • Length anywhere from a fourth to three-eighths of an inch
  • Very long legs compared to the body size
  • Pale yellow, light gray, or tan in color
  • Eight legs and eight eyes

You may occasionally catch a glimpse of cellar spiders—but, for the most part, they hide in dark, humid places, like basements and cellars, or around upper parts of windows and doors. These spiders don’t clean their webs like some other spiders—so many can be built in a short time and leave a mess of cobwebs.

Cellar spiders live about two years. The females lay several dozen eggs at a time and wrap them in webbing to protect them. To identify the female, it’s important to know they are a bit longer than their male counterparts.

Are Cellar Spiders Venomous?

You may have heard that the bites of cellar spider, or daddy-longlegs, are extremely dangerous, but the truth is they don’t have much venom. If they do bite you, you’re likely to get a short burning sensation and a small red mark. People who are allergic to spider bites may have a more severe reaction, but no fatal accidents have ever been reported.

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How to Discourage Cellar Spiders from Your Maryland Home

Cellar spiders can be beneficial because they eat insects like roaches, mosquitoes, and moths. They may even reduce the population of other spiders, like black widows. But no one likes living with cobwebs, so if you want to discourage these long-legged, long-bodied intruders here’s what you can do:

  • Take out the spiders, their webs, and their egg sacs with a broom or a vacuum
  • Dry out wet, humid areas with a dehumidifier
  • Change out white lights on the outside of your house to yellow lights, which are less attractive to all types of insects
  • Seal up any cracks in the foundation and remove woodpiles and other debris from around your home


Call Brody Brothers Pest Control in Baltimore for Cellar Spider Removal

If you’re one of the many people who can’t stand spiders, don’t worry. The team of experts at Brody Brothers Pest Control will help you get these long-legged pests out of your dark corners—just give us a call at 410-653-2121 and we’ll be glad to come to your rescue!

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