Knowra Arizona bark scorpion Arizona bark scorpion A small, venomous scorpion native to the southwestern United States and northern Mexico. It climbs walls and ceilings, and its neurotoxic sting can cause severe symptoms, especially in children.
Scorpion venom : A mixture of bioactive compounds produced by scorpions and delivered through a sting. Its venom contains neurotoxins that disrupt nerve signaling in stung animals.
Scorpion envenomation : The injection of scorpion venom into a person or animal, with effects ranging from local pain to systemic illness. Its sting is the principal source of serious scorpion envenomation in the United States.
Centruroides : A genus of bark scorpions native to the Americas, including species with medically significant venom. The Arizona bark scorpion is classified within this genus.
Centruroides exilicauda : A bark scorpion species found in Baja California and nearby regions, historically confused with the Arizona bark scorpion. Older sources sometimes used this name for Arizona bark scorpions, but the species are distinct.
Voltage-gated sodium channel : A membrane protein that opens in response to voltage changes, allowing sodium ions to cross cell membranes. Key venom toxins alter these channels, causing repetitive nerve and muscle activity.
Centruroides sculpturatus antivenom : An antivenom preparation used to treat severe envenomation by the Arizona bark scorpion. It can rapidly relieve severe neurological symptoms caused by this scorpion’s venom.
Buthidae : The largest scorpion family, containing many slender-bodied species with potent venom. Its family includes the genus Centruroides and many medically significant scorpions.
Bark scorpion : A common name for slender scorpions in the genus Centruroides that often climb trees and structures. The Arizona bark scorpion is the best-known bark scorpion in the United States.
Scorpion sting : The puncture and venom delivery produced when a scorpion uses its telson. This species’ sting can cause intense pain and, in serious cases, systemic neurological effects.
Scorpion sting first aid : Immediate care after a scorpion sting, including wound cleaning, symptom monitoring, and seeking medical advice when needed. Its sting can require urgent assessment when pain is severe or neurological symptoms develop.
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