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Arizona Bark Scorpion

English: A frontal view of the Bark Scorpion o...

The Arizona Bark scorpion, is a small light brown scorpion; commonly found in the southwest United States. This scorpion pest is predominately found in the Sonoran Desert, however less toxic species have been discovered; throughout the Southern US. A nocturnal pest, the Bark scorpion prefers to ambush its prey; which often consists of crickets and/or roaches.

Considered the most venomous scorpion in North America, the number of Bark scorpion sting victims in Arizona is estimated to be in the thousands each year. With that being said, fatalities in the United States are rare (only 2 recorded fatalities have occurred in the state of Arizona since 1968), and limited to small animals/pets, young children; and adults with compromised immune systems.

The venom from a Bark scorpion bite can inflict severe pain, coupled with numbness and tingling; typically lasting between 24 and 72 hours. Temporary dysfunction in the sting area is common and may cause victims to become immobilized, experience convulsions and/or shortness of breath. Due to the extreme pain caused by the sting, many victims describe the sensation of electrical shocks; after receiving a sting.

Bark scorpions, like most other scorpions, are incredibly resilient; and require a focused pest control strategy. In fact, lab experiments have frozen scorpions for weeks; and after being thawed, the scorpions emerged unharmed. Furthermore, during U.S. nuclear testing, scorpions (along with cockroaches and lizards) were found near ground zero; with no recorded adverse effects.

English: Arizona Bark Scorpion