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Lactrodectus spp.

House Spider

Lactrodectus spp.

House spiders can make keeping your home clean and dust-free a hassle. These spiders create sticky webs to trap their prey, which also collect dust and contribute to cobwebs that may be taking over those hard-to-reach corners.
RISK LEVEL:
LOW
MEDIUM
HIGH
Risk is defined as how much damage each pest can be to you, your family, or your home
House Spider
  • Look for webs built in corners or low-traffic areas in your home.
Class: Order: Family:
Arachnida Araneae Theridiidae
Size: House spiders (American house spiders, domestic spiders) have an adult female body length of about 3/16 to 5/16 in (5-8 mm), including abdomen. The adult male is smaller.
Color: House spiders have a yellowish brown carapace. Abdomen is dirty white with a few dark spots, or sometimes even a triangular spot, to almost black with several dark stripes in a V-shape, like army sergeant stripes. Male has orange legs, female has banded yellow legs.
Characteristics: Rounded abdomen in female; elongated abdomen in male.
Geographic Range: The American house spider, house spider or domestic spider is found throughout the world, and is common throughout the United States and Canada.
Food:
Biology: Female lays 250 eggs in a brownish silky sac with a tough, papery cover, about 1/4 to 3/8 in (6-9 mm) in diameter. It usually is placed in the middle of the web, but it may be moved to a warmer or cooler place. There may be more than one sac in a web at the same time. She may produce up to 17 sacs in her lifetime. Eggs hatch in 7-10 days; 1st instar spiderlings stay in the sac until after the 1st molt. 2nd instars come out, ballooning down; there are 6 or 7 molts to maturity. Adults live 1 year.
Prevention Tips For
Spiders
  • Remove old papers and boxes from house
  • Adjust outside house/property lighting to discourage insect activity; thereby discouraging spider activity.
  • Keep grass short
  • Avoid thick plantings around outside perimeter of home
It only takes a few minutes to start protecting your home today.
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