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Centruroides gracilis

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description Centruroides gracilis Overview

Centruroides gracilis, commonly known as the Florida bark scorpion, is a species found primarily in the southeastern United States, particularly Florida, as well as parts of Central and South America. It has a slender body that can reach up to 4 inches in length and is distinguished by its yellowish-brown coloration with dark markings. The species belongs to the Buthidae family and possesses venom that, while painful, is rarely life-threatening to humans. These scorpions are nocturnal predators that hide under bark and in crevices during daylight hours.

help Centruroides gracilis FAQ

Is Centruroides gracilis really native to Florida?

Despite the common name Florida bark scorpion, Centruroides gracilis is generally considered native to parts of Mexico and Central America and introduced in Florida. It is also recorded from places including Cuba, Jamaica, Panama, and Colombia. [UF/IFAS identification sheet](https://florida4h.ifas.ufl.edu/media/florida4hifasufledu/docs/event-files/sciencex2fanimal-science-/insectathon/Insectathon-ID-NEW-DESIGN-2024.pdf)

How large can the Florida bark scorpion become?

The species is slender but can be large for a bark scorpion, with some males reaching more than 4 inches. Reported adult sizes vary by sex and source, so the elongated body and narrow tail are more useful than size alone for identification.

Is the sting of Centruroides gracilis dangerous?

Its sting can be painful, but it is not generally considered deadly to healthy adults. Because reactions vary, a severe reaction or sting involving a child should be treated as a medical concern.

What does the Florida bark scorpion eat and when is it active?

It is mainly nocturnal and hunts small prey such as termites, spiders, and other insects. In Florida it may be confused with native species including the Hentz striped scorpion, Centruroides hentzi.

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