description Centruroides exilicauda Overview
Centruroides exilicauda is a scorpion species commonly known as the Baja California bark scorpion, first described by Horatio C. Wood in 1863. It belongs to the family Buthidae and is native to the Baja California peninsula and surrounding regions of Mexico. The species was historically confused with the closely related Centruroides sculpturatus of the southwestern United States, with the two separated based on studies showing differences in venom composition.
Like other bark scorpions, it is arboreal and venomous.
help Centruroides exilicauda FAQ
Is the sting of Centruroides exilicauda dangerous to humans?
Yes, the venom of the Baja California bark scorpion can be medically significant and potentially dangerous, though fatalities are rare today due to modern antivenom. Symptoms can include severe localized pain, numbness, and systemic tingling.
What is the difference between Centruroides exilicauda and Centruroides sculpturatus?
For decades, they were considered the same species, but extensive venom work in 2004 helped clarify their taxonomy. "C. exilicauda" is generally recognized in Baja California, Mexico, while "C. sculpturatus" refers to the Arizona bark scorpion found in the Sonoran Desert.
Who first officially described Centruroides exilicauda?
The species was first described by the American physician and zoologist Horatio C. Wood in 1863. He identified the scorpion based on specimens collected from the Baja California peninsula.
What habitat does the Baja California bark scorpion prefer?
Like other bark scorpions, Centruroides exilicauda prefers rocky areas, crevices, and trees rather than burrowing in the sand. They are excellent climbers and are often found sheltering under the loose bark of dead trees.
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