Quick Answer
Nevada has several scorpion species, with the most common being the Desert Hairy Scorpion (largest in the US, 4-5 inches, mild venom) and the Striped Bark Scorpion (2-3 inches, mild venom, most common in homes). The Nevada Bark Scorpion, a close relative of the Arizona Bark Scorpion, is found in southern Nevada (Las Vegas area) and has more potent venom. Scorpions are common in the Las Vegas Valley and throughout southern Nevada. They glow under UV light.
Nevada Scorpion Yard Guide
Nevada's desert climate is ideal for scorpions, particularly in the southern part of the state. The Las Vegas Valley has seen increasing scorpion activity as development expands into former desert habitat. Knowing which species is in your yard helps you assess the risk.
Nevada Scorpion Species
| Species | Size | Color | Venom Risk | Range in Nevada |
|---|---|---|---|---|
| Desert Hairy Scorpion | 4-5 inches | Dark brown to black | Low (mild) | Southern Nevada, deserts |
| Striped Bark Scorpion | 2-3 inches | Pale yellow, 2 dark stripes | Low (mild) | Statewide, most common in homes |
| Nevada Bark Scorpion | 2-3 inches | Pale yellow | Moderate | Southern Nevada (Las Vegas area) |
| Yellow Ground Scorpion | 1-1.5 inches | Yellow | Very low | Southern Nevada, sandy soils |
| Northern Scorpion | 1.5-2.5 inches | Brown | Low | Northern Nevada, higher elevations |
Scorpion Prevention in Nevada
- Seal cracks and gaps in the foundation (scorpions can fit through tiny gaps)
- Install door sweeps on all exterior doors
- Remove woodpiles, rock piles, and debris from near the house
- Replace rock landscaping with gravel or mulch (rocks retain heat and provide shelter)
- Trim vegetation away from the foundation
- Use a UV (blacklight) flashlight at night to inspect for scorpions
- Consider professional pest control for perimeter barrier treatments
Scorpion Activity in Las Vegas
The Las Vegas Valley has seen a significant increase in scorpion activity as the city expands into the surrounding desert. New developments are particularly prone to scorpion encounters. The Nevada Bark Scorpion, found in the southern part of the state, has venom that is more potent than the Striped Bark Scorpion, though still less dangerous than the Arizona Bark Scorpion.
Scorpion Sting First Aid
- Wash the area with soap and water
- Apply a cold compress to reduce swelling
- Take antihistamines for itching
- Elevate the affected limb
- Seek medical attention if symptoms are severe or if you are allergic
FAQ: Nevada Scorpions
Are scorpions in Las Vegas dangerous?
Most scorpions in Las Vegas are not dangerous to healthy adults. The Nevada Bark Scorpion has more potent venom but is still rarely life-threatening. Children and the elderly should seek medical attention if stung.
When is scorpion season in Nevada?
Scorpions are most active from May through October. They are nocturnal and seek shelter during the heat of the day. They are most commonly seen at night under UV light.
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Sources: US Fish and Wildlife Service, USDA Wildlife Services, state wildlife agencies, CDC, academic extension services. This guide is for informational purposes only and does not constitute professional wildlife management advice.