Reliable Spider Control

Croach® provides licensed, experienced spider control services in Aurora, Brighton, Castle Rock, Centennial, Commerce City, Denver, Hudson, Littleton, Loveland, Parker, Thornton, and Windsor.

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CO License #16006

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How to Get Rid of Spiders in Denver

Denver is the perfect mix of urban amenities and outdoor adventure. Being exactly a mile high and having 300 days of blissful sunshine a year, it’s no wonder why there is a robust population of spiders.

You might expect to see some spiders as you hike the beautiful Cherry Creek Regional Trail, but you don’t want the creepy crawlies in your home.  Spiders cause a lot of fear and anxiety because, sometimes, they are dangerous.

Types of Spiders in Denver

According to the Colorado State University Extension, there are many spider species in Denver. These include the harmless House, Funnel Weaver, and Jumping spiders. The more problematic or poisonous spiders include:

  • Hobo spider
  • Black Widow spider
  • Yellow Sac spider
  • Brown Recluse spider

Hobo Spider

The Hobo spider is usually light brown with tan and dark brown or black markings on its thorax. Small hairs lay against its body.

The aggression and toxicity level of the Hobo spider bite is debatable. The CDC claims it can cause isolated cases of necrosis in people, though Hobos are not listed on the CDC website among venomous species.

A bite from this spider is painless and may go unnoticed. After an hour the site may become red, swollen, and hardened. Within 24-36 hours, the area may discharge fluid and eventually turn black.

Black Widow Spider

Black Widow spiders are the most harmful spiders in Denver. They are identifiable by a dark black glossy body with a red spot on the underside in the shape of an hourglass. The female produces from 6 to 12 egg sacks in her lifetime, each containing between 200-400 eggs.

This spider’s venom causes symptoms including muscle cramps, nausea, profuse perspiration, tremors, fever, labored breathing, and restlessness. Most bites from this spider cause minor tissue damage and may be unnoticeable until 4 to 8 hours after the bite.

Initially, the site is red and may reveal fang marks. Within a few hours, the area will have a red ring or “bulls-eye” appearance. Entomologists report the venom from a black widow to be 15 times stronger than a rattlesnake’s, though less venom is delivered with each bite.

Yellow Sac Spider

You can find the Yellow Sac spider both indoors and out in the Denver area. These spiders are pale yellow to a yellowish-green and look almost transparent.

As with the Hobo spider, there are varied reports of the level of toxicity of their bite. Their bite can cause an instant and intense stinging pain and a small red welt that itches for about a week.

Brown Recluse Spider

Often misidentified as Funnel Web or Wolf spiders, the Brown Recluse has a buckskin color and dark brown legs. The violin-shaped marking on its back and only three pairs of eyes are identifying factors.

At the initial bite site, a painful blister may form. Sometimes an ulcerous, slow-healing wound may form. The bites can cause severe pain, fever, chills, nausea, joint pain, and seizures.

What to Do If You Get Bitten By a Spider

If you suspect you have been bitten by a Black Widow, Hobo, or any other type of spider, try to save the specimen and seek medical attention immediately. While most spider bites are not fatal, it is always best to receive care to avoid any adverse effects of the bite. WebMD recommends:

  1. Clean wound with soap and water
  2. Apply antibiotic cream
  3. Elevate to reduce swelling
  4. Apply an ice pack on the bite
  5. Take over-the-counter pain medication
  6. Watch for more symptoms
  7. Call your doctor (immediately if bitten by a Black Widow or Brown Recluse)

Spider Infestation Prevention in Denver

One of the top pest control questions we get from Denver residents is, “How do I get rid of spiders in my home?” Preventing an infestation of spiders involves eliminating what they most need for survival – food and shelter.

  • Dust and vacuum carpeting, corners, ledges, and furniture.
  • Sweep and mop frequently under and behind furniture and appliances.
  • Eliminate trash and clutter.
  • Inspect firewood (and anything else stored outdoors) before bringing it into your home.
  • Seal entry points.
  • Get regular, professional pest control. Since spiders eat other insects, having spiders can indicate pest problems you don’t know about.

Spider Control in Denver, CO

Spiders are resilient. One egg sac produces hundreds of young spiders hatched at once. If you see a single spider in your home, chances are good you already have an infestation. Because of their life cycle and habits, it is next to impossible to get rid of spiders without the help of experts.

Many products found in home improvement stores used to kill spiders are ineffective and unsafe. Even if you can get them to leave the area for a time, they will recolonize. So ongoing and professional treatment is important. A one-time extermination approach worsens the problem.

Croach® offers a specialized and proven approach to getting rid of spiders:

  • A thorough inspection and customized approach to treating your spider problem.
    Initial treatment to brush away spider webs and egg sacs from eaves and application of product to the base of the structure outside as needed.
  • Regular and ongoing treatment to keep pests away.
  • The professional technicians at Croach® use pest control and prevention techniques versus one-time extermination. This controls spider populations and keeps them from invading your home.

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