They are often found close to urban habitats, as they prefer open and vertical surfaces to hunt. They are common in open habitats, including beaches, trunks of trees, rock faces, and shingles. They have eight eyes with excellent vision. This spider has large anterior median eyes. The male also has larger chelicerae than the female. The female can grow to 9mm in body length, while the males grow to 6mm. The Zebra Jumping Spider (Salticus scenicus) is common in Utah and easily recognized by its black and white coloration. Zebra Jumping Spider Zebra Jumping Spider They are docile and will run and hide rather than bite. They are not easy to find in the pet trade than the more colorful species. This spider is a very popular pet, also referred to as the northern blond and Great Basin blond. The burrow entrance is obstructed with webbing, which protects them against predators and the desert heat. They live in webbed burrows under the surface in desert areas of Utah. The Desert Tarantula (Aphonopelma iodius) belongs to the Theraphosidae family. The female is 2.5 times wider than the male, while the male has palpi with an S-shape conductor. They have a distinct black-and-white pattern on the abdomen. This large spider can grow to 18mm in length in females and 13mm in males. The Western Spotted Orbweaver (Neoscona oaxacensis) is also known as the zig-zag spider and belongs to the Araneidae family. Western Spotted Orbweaver Western Spotted Orbweaver This is not an aggressive spider and will only bite to protect her eggs or if they are harassed or threatened. The venom is usually reserved for prey that gets entangled in their web. There have been no fatalities recorded in Utah from 2000 to 2008. Fatalities from a female black widow bite are reported between 0.5% and 12%. The male is half the size of the female and tan in color with light stripes on the abdomen. The hourglass can also be yellow and sometimes white. The female can grow to 16mm in length and is black with a red hourglass mark on the lower abdomen. The Western Black Widow (Latrodectus hesperus) is the only venomous spider you will encounter in Utah. You will encounter them in fields and grasslands, on fences, on exterior walls, and in gardens. They prefer open areas, where they can actively hunt. The four eyes enable the bold jumping spider to see three hundred and sixty degrees around them. The spots are orange in juveniles and turn white with age. This is a black spider with spots and stripes on the legs and abdomen. The male can grow to 15mm in body length, while females can grow to 18mm. This spider is large with excellent vision, which enables them to stalk prey. The Bold Jumping Spider (Phidippus audax) is very common in Utah, belonging to the Phidippus genus. Take a look below at the most common spiders in Utah. Luckily this is a sedentary species and spends most of its time on its web.īites from the black widow include a neurotoxic venom that produces latrodectism, common symptoms include pain, sweating, vomiting, and muscle cramps. Bites can be fatal to older adults and children. They are the most dangerous spider to humans. The black widow spider is the only venomous spider you may encounter in Utah.
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