There are several types of scorpions in Nevada ranging from 1-7in.. But one in particular, the bark scorpion, is the most common in the Las Vegas. They are smaller than most scorpions with the average length of 2 1/2 in., but they are the most venomous species in North America. Although rarely life threatening, a string from this scorpion can produce severe pain. Symptoms include numbness, swelling near the sting, and abdominal pain. If this occurs seek immediate medical help and pest control.
Although practically non-existent in Nevada until the 90's, rodents have since become a problem in the Vegas Valley.There are multiple species thriving here such as the house mouse, Norway rat, and roof rat. Rodents are a particular concern due to the extreme health risks they impose on humans. Rodents are known to carry deadly diseases such as Hantavirus Pulmonary Syndrome, which is transmitted when humans come in contact with infested rodent urine or droppings.