Black widow spiders (Lactrodectus hesperus) are the most dangerous spiders to humans in Utah. Bites may be fatal to young children or older adults. Fortunately, widow spiders are fairly sedentary and spend majority of the time in their webs.
What are the three dangerous spiders in Utah?
Although dangerous spiders are fairly uncommon in northern Utah, we do have a few species that can be deadly. Specifically, we have three types of arachnids to really worry about: the black widow, the hobo spider and the desert recluse.
Are there brown recluse spiders in Salt Lake City?
There are several types of spiders in Salt Lake City, and they include: Brown Recluse Spiders. Black Widow Spiders.
What is the brown spider found in Utah?
The Hobo Spider (Eratigena agrestis) Hobo spiders are brown or dark gray in color and have a distinctive pattern of chevron-shaped markings on their abdomen. The hobo spider is a species found in many parts of the world, including Utah.
Are there any poisonous spiders in Utah Related Questions
What is the most common spider bite in Utah?
The yellow sac spider is probably responsible for most spider bites in Utah; however, its venom is not generally harmful to humans, and the primary effect is a painful and itchy red bump, much like a mosquito bite.
What is the biggest spider in Utah?
The biggest spider in Utah is the desert tarantula which also happens to have one of the most significant bites. A desert tarantula can measure over 5.5 inches in length, and they have very large fangs for spiders.
What is the most common house spider in Utah?
Jumping spiders are one of the most common indoor spiders in Utah. They are best known for their small size and their tendency to jump. Because their eyesight is better in sunlight, jumping spiders prefer to hunt their prey near windows, so their webs are often in the corners of windows.
What does a brown recluse look like Utah?
They have long legs and a body length that ranges from 1/4 – 3/4 inches. The color varies from golden brown to dark brown. The most identifiable characteristic is the dark violin-shaped mark that begins right behind the eyes. Unlike most spiders with eight eyes, the brown recluse has only six eyes.
What happens if a brown recluse bite goes untreated?
Brown recluse bites can cause redness, itchiness, pain and wounds. If the wound is untreated, it could lead to bruising, a blister, an open sore and scarring.
Should I be worried if I saw a brown recluse in my house?
If you spot one of these venomous spiders in your home, it’s best to call a pest control professional to remove any trace of them. If an exterminator can’t immediately apply treatment, you can try DIY methods such as sticky traps and insect repellent while you wait.
Will a brown recluse get in my bed?
Once you are in bed, there is less of a chance that brown recluse will climb in with you. These are, as their name implies, reclusive spiders. So, looking under your covers before you slide into bed can actually prevent a bite from occurring.
What state has no brown recluse?
Although the brown recluse does not live in California, four species of native recluse spiders occur in southern areas of the state and can cause similar medical concerns.
What is the most aggressive spider in Utah?
Sac Spiders: Clubionidae The venom is not harmful to humans; however, bites can be painful and leave a red bump. They are more aggressive than most spiders and can bite multiple times if mishandled or if caught in clothes or bedding. Similar sac spiders can be found outside in rolled plant leaves.
What is the brown spider that chases you?
Unlike some spider species that use their webs to ensnare their prey, brown recluse spiders are nocturnal hunters. They chase down their victims. Once caught, they use their fangs to inject deadly venom into their prey to subdue them. Like most spiders, the brown recluse can survive months without food or water.
Are there hobo spiders in Utah?
Europe and not considered medically important there. In 1936, the hobo spider was first detected in the Pacific Northwest (Washington, parts of Oregon and Idaho). Over time, the hobo spider migrated to other parts of the United States, including Utah (Fig. 1).
What spider is most aggressive to humans?
The funnel web spider is widely regarded as the most dangerous arachnid. This Australian spider has a venom that is packed with 40 different toxic proteins. Though a bite from one of these creatures is certainly capable of killing a human, no deaths have been reported from a funnel web spider in Australia since 1980.
Are Utah wolf spiders poisonous?
Although intimidating, Wolf Spider’s venom is not considered dangerous to humans outside of severe allergic reactions. The bite from a Wolf Spider typically causes mild pain, swelling, and localized itchiness.
What looks like a black widow in Utah?
The Steatoda grossa looks almost identical to the black widow, but doesn’t have the trademark hourglass and is harmless to humans.
Does Utah have tarantulas?
Tarantulas. Tarantulas are rarely seen since they spend most of their time underground. Utah is on the northern border of the tarantula’s native range, but at times, these spiders can be found as far north as Cache County.
What is the size of a hobo spider in Utah?
Mature female hobo spiders are 9.5-16.5 mm (3/8-5/8 in) long, and male hobo spiders are 7-13.5 mm (9/32-9/16 in) in body length. Males have enlarged pedipalps located near the mouth, resembling short legs. Identifying a hobo spider requires the use of a microscope.