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Occasional Invaders
LONG-BODIED CELLAR SPIDERS
Long Bodied Cellar Spiders
  • Color: Pale yellow to light brown or gray

  • Legs: 8

  • Shape: Long skinny legs with a small body

  • Size: 1/4 - 3/8 inch

  • Antennae: No

  • Region: Found throughout U.S.

Long-bodied cellar spiders are commonly referred to as "daddy long legs" because of their very long, thin legs and as their name implies are found in dark and damp places. There are about 20 species of cellar spiders in the United States and Canada.

HABITS

Cellar spiders build loose, irregular, tangled webs in corners. They hang upside down on the underside of the web. The webs are not cleaned but intead a new web is continually added. This habit can result in extensive webbing in a relatively short time.

HABITAT

The spiders and their webs are usually found in dark and damp places, such as cellars, basements, and crawl spaces. They can also be found in the corners of garages, sheds, barns, warehouses, on eaves, windows, ceilings, in closets, sink cabinets, and bath traps. Cellar spiders seem to fare better in areas with higher relative humidity.

THREATS

Cellar spiders do not pose a threat to humans. While they are commonly found in homes, they usually stay in one place. They are not known to bite. Urban legend has it that their venom is of the most deadly of spiders, but their weak mouthparts keep them from injecting venom into humans. While it is correct that they cannot successfully bite, their venom is not very potent.

PREVENTION TIPS

To keep long-bodied cellar spiders out, seal cracks on the outside of the home, especially around doors and windows, and use screens to prevent entry into homes. Using yellow light bulbs for exterior lighting may reduce the number of spiders and other insects, as they are typically attracted to white light sources. Additionally, lowering the humidity in basements, cellars, and crawl spaces with the use of a dehumidifier or ventilation can discourage cellar spiders from living there.

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7527 County Road 669B
Alvin, Texas 77511