Reliable Termite & Pest Control
Back to Pest LibraryHousehold Pests

Spiders

While most common spiders are harmless nuisance pests, dangerous species like the Brown Recluse and Black Widow require expert identification and targeted perimeter defense to keep your family safe.

Signs to look for

  • Webbing around garage corners, basement ceilings, window frames, outdoor eaves, and light fixtures.
  • Silky egg sacs attached to hidden corners, outdoor patio furniture, or storage boxes.
  • Noticeable increase in spider sightings during late summer and autumn as mating season begins.
  • Frequent sightings of small crawling insects (which serve as the primary food source attracting spiders).
01

Why do I have a spider problem?

Spiders enter homes seeking prey, water, and dark shelter. If your property has active populations of other insects—like flies, moths, ants, or beetles—spiders will naturally establish webs near window frames, outdoor lights, and entryways to hunt.

02

Where will I find spiders?

Spiders prefer quiet, undisturbed areas. Nuisance web-building spiders set up near porch lights and window screens. Venomous species prefer dark, cluttered harborages like woodpiles, cardboard storage boxes, crawl spaces, attics, shed interiors, and under outdoor furniture.

03

Brown Recluse vs. Black Widow Identification

Knowing which spider you have determines how we treat it.

  • Brown Recluse: Tan to dark brown with a signature violin-shaped marking on its back; has 6 eyes arranged in pairs (instead of 8); shy and hides in dry, undisturbed voids.
  • Black Widow: Shiny jet-black body with a distinct red hourglass shape on the underside of its abdomen; builds messy, strong webs in low, dark spaces.
  • House & Orb Weaver Spiders: Generally harmless species that build classic geometric webs outdoors or near ceilings.

Targeting the source — Food supply control

Spiders don't groom themselves like insects do, making direct chemical sprays less effective on their own. The secret to long-term spider management is controlling the underlying insect population that attracts them in the first place.

05

Are spiders dangerous?

Most household spiders are harmless and beneficial for natural pest control. However, bites from Brown Recluses or Black Widows can cause severe necrotic skin lesions, muscle cramps, fever, and medical complications requiring immediate attention.

06

How we treat it

We sweep accessible webs and egg sacs from eaves and entryways, apply long-lasting perimeter treatments along baseboards and entry paths, and establish an ongoing pest boundary that removes the spiders' food source.

Prevention Tips for Homeowners

  • 1Replace cardboard storage boxes with tightly sealed plastic totes in attics and basements.
  • 2Keep outdoor woodpiles elevated and stored away from your home's foundation.
  • 3Turn off unnecessary porch lights at night or switch to yellow insect-resistant bulbs.
  • 4Vacuum behind furniture, along baseboards, and inside closet corners frequently.
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