Which Types Of Spiders Are Dangerous? | Western Exterminator

Which Types of Dangerous Spiders Should You Worry About?


The most common question people ask about spiders is: “Are they poisonous?” The fact is that most spiders are “poisonous” because they contain venom. The main part of a spider’s mouth is its fangs, which it uses to inject venom into its prey (e.g., other spiders, insects, and arthropods) to paralyze and kill it. The venom contains enzymes that dissolve the prey’s insides so that the spider can suck up the nutrients. Of all spiders, only two are something to ever worry about in the Las Vegas area: the black widow spider and the desert brown spider.

Black Widow Spider Facts

What types of spiders should you worry about in Las Vegas, Henderson Nevada and surrounding areas by Western ExterminatorThe black widow spider is commonly found in the southern United States. They build webs in places with a lot of debris such as under woodpiles, fences, and eaves; and sometimes they live in outhouses and outdoor toilets. Some things to know about black widows include:

  • This spider is black in color with an easily-identifiable red hour-glass shape underneath it on its abdomen.
  • While this spider is often feared, it rarely bites or causes severe reaction.
  • People bitten by a black widow usually don’t notice. Within an hour, one may notice faint red marks and slight swelling. Over time, pain may intensify and the bite may cause stiffness in limbs. Severe cramps and abdominal pain, along with profuse sweating, is a good signal to seek immediate medical care.
  • Symptoms typically go away on their own, but an anti-venom is available for those who suffer from an allergic reaction to the bite.

Desert Brown Recluse Spider

Desert Brown Recluse Spider Exterminators in Las Vegas NV and surrounding areas - Western Exterminator of Las VegasDesert brown recluse spiders are common in the area, and can be quite dangerous. When bitten by a desert brown, one may experience a stinging sensation. Within eight hours, redness and intense pain typically occurs. Over time, the symptoms can worsen and result in a dark blue or purple colored area around the bite, a deep sore or ulcer, and in severe cases, tissue that begins dying around the bite. There’s no anti-venom available for brown recluse bites.

Dangerous Spider Control

Bottom line, few spiders are large enough or venomous enough to cause harm to humans. That said, it’s important to know the facts in the rare case that someone is bitten by a black widow or brown recluse. When reactions are severe, prompt medical attention must be sought. If you notice either of these spiders near your Las Vegas home, it’s always best to call a professional pest control company. The experts at Western Exterminator of Las Vegas know how to remove these spiders and keep them from returning to your property.


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Which Types of Spiders are Dangerous? in Las Vegas - Henderson Nevada

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