Centruroides gracilis

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Centruroides gracilis
Centruroides gracilis.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Scorpiones
Family: Buthidae
Genus: Centruroides
Species:
C. gracilis
Binomial name
Centruroides gracilis
(Latreille, 1804)

Centruroides gracilis is a species of scorpion in the family Buthidae, the bark scorpions. Its common names include Florida bark scorpion, brown bark scorpion, and slender brown scorpion. [1] [2] In Cuba it is known as alacran prieto ("dusky scorpion") and alacran azul ("blue scorpion"). [1] Contrary to one of its common names, it is not actually native to Florida in the United States. [3] It is native to northern parts of the middle Americas, including Mexico, Guatemala, Belize, and Honduras. It is present in other parts as an introduced species, including Cuba, Panama, Colombia, Ecuador, Jamaica, [4] and Florida in the United States. It is also introduced in parts of Africa, including Cameroon and Gabon, as well as the Canary Islands. [1]

Contents

In Florida, it is sympatric with two native Centruroides species, the Hentz striped scorpion (C. hentzi) and the Guiana striped scorpion (C. guianensis). [5] This species is sometimes kept as a pet. [6]

Description

The female of the species reaches up to 10 centimeters in length, while the male can exceed 15 centimeters. It is variable in color, sometimes with individuals of different colors occurring in one population, or even one litter. It may be reddish, black with reddish chelae, dark brown with yellowish legs and red chelae, or dark brown with reddish and black tail sections. [1]

Life cycle

The female gives birth to a litter of 25 to 35 young, [6] with litters of 91 recorded. The juveniles ride on the female's back and undergo their first molt at eight days of age. A study of captive scorpions revealed the length of their life cycle. The juveniles progress through instar stages, sometimes dying of complications with the molting process. The female reaches maturity in roughly 300 days, after seven instars, but the males mature at different rates. Some reach sexual maturity in the sixth instar, at about 235 days of age, while some are not mature until the seventh instar, around 281 days old. At mating, the male engages in courtship behavior and produces a spermatophore. [7] Females can reproduce via parthenogenesis, as well. [8] In the laboratory the males had an average life span of about 33 months, while the females lived about 38 months. [7]

Diet

This scorpion feeds on insects such as roaches. [2] Captive scorpions can be fed termites or crickets. [9]

Habitat

The scorpion lives under rocks and tree bark. When given the opportunity it will live in the walls of houses and under rubbish piles in yards. [1]

Predators

Predators of the scorpion include tarantulas, such as Tliltocatl vagans . The tarantula may kill the scorpion, even if the scorpion attacks first. [10]

Venom

The scorpion is venomous, but much less toxic than others of its genus. Its venom is neurotoxic and cardiotoxic, causing the release of catecholamines. Local effects from the sting can include pain, redness, itching, and swelling. The venom can produce cardiac effects such as arrhythmia, pulmonary edema, tachycardia or bradycardia, and hyper- or hypotension. Other possible symptoms include nausea, vomiting, sweating, diarrhea, shock, convulsions, coma, and potentially death. [11]

Related Research Articles

Scorpion Order of arachnids

Scorpions are predatory arachnids of the order Scorpiones. They have eight legs, and are easily recognized by a pair of grasping pincers and a narrow, segmented tail, often carried in a characteristic forward curve over the back and always ending with a stinger. The evolutionary history of scorpions goes back 435 million years. They mainly live in deserts but have adapted to a wide range of environmental conditions, and can be found on all continents except Antarctica. There are over 2,500 described species, with 22 extant (living) families recognized to date. Their taxonomy is being revised to account for 21st-century genomic studies.

Cobalt blue tarantula Species of spider

The cobalt blue tarantula is a tarantula species native to Myanmar and over the border into Thailand. It was originally described as Haplopelma lividum.

Arizona bark scorpion Species of scorpion

The Arizona bark scorpion is a small light brown scorpion common to the Sonoran Desert in the southwestern United States and northwestern Mexico. An adult male can reach 8 cm in length (3.14 inches), while a female is slightly smaller, with a maximum length of 7 cm (2.75 inches).

<i>Heteropoda venatoria</i> Species of spider

Heteropoda venatoria is a species of spider in the family Sparassidae, the huntsman spiders. It is native to the tropical regions of the world, and it is present in some subtropical areas as an introduced species. Its common names include giant crab spider, or cane spider.

<i>Tliltocatl vagans</i> Species of spider

Tliltocatl vagans is a species of tarantula known commonly as the Mexican red rump. It ranges predominantly in Mexico, but is also found in Central America. They are terrestrial, burrowing spiders. The reason for the name red rump is because of its distinctive red hairs on its abdomen. Like most tarantulas, they will eat anything they can overpower, which is usually insects, but small lizards and rodents may also be consumed. They can grow up to a solid 6.5 inch leg span, with males typically being smaller and thinner than the females. They prefer shrubland habitats.

Striped bark scorpion Species of scorpion

The striped bark scorpion is an extremely common scorpion found throughout the midsection of the United States and northern Mexico. It is perhaps the most frequently encountered scorpion in the U.S.

Hoffmannius spinigerus Species of scorpion

Paravaejovis spinigerus, commonly known as the stripe-tailed scorpion or the "devil" scorpion, is very common and widely distributed in Arizona and southwestern New Mexico. This species is one of larger members of the genus Paravaejovis, which also includes Paravaejovis confusus.

Buthidae Family of scorpions

The Buthidae are the largest family of scorpions, containing about 80 genera and over 800 species as of mid-2008. Its members are known as, for example, fat-tailed scorpions and bark scorpions. A few very large genera are known, but a high number of species-poor or monotypic ones also exist. New taxa are being described at a rate of several to several dozen new species per year. They occur in the warmer parts of every major landmass on Earth, except on New Zealand. Together with four other families the Buthidae make up the superfamily Buthoidea. The family was established by Carl Ludwig Koch in 1837.

<i>Centruroides</i> Genus of scorpions

Centruroides is a genus of scorpions of the family Buthidae. Several North American species are known by the common vernacular name bark scorpion. Numerous species are extensively found throughout the southern United States, Mexico, Central America, the Antilles and northern South America. Some are known for their interesting patterning or large size ; most if not all fluoresce strongly under ultraviolet illumination, except after moulting. They contain several highly venomous species, and fatalities are known to occur. The venom of the Mexican scorpion Centruroides limpidus limpidus contains the neurotoxins Cll1 and Cll2.

Hysterocrates gigas is a member of the tarantula family, Theraphosidae found in Cameroon. It is known as the giant baboon spider, Cameroon red baboon spider, or red baboon tarantula.

<i>Centruroides bicolor</i> Species of scorpion

Centruroides bicolor is a species of bark scorpion from Central America. Its specific name "bicolor" is from the Latin meaning "two colored" and refers to the markings of this species.

<i>Androctonus maroccanus</i> Species of scorpion

Androctonus maroccanus is a species of scorpion of the family Buthidae. Along with other members of the genus Androctonus it is also known by the collective vernacular name fat-tailed scorpion. A. maroccanus is endemic to the Atlantic coast of central Morocco.

<i>Hottentotta</i> Genus of scorpions

Hottentotta is a genus of scorpions of the family Buthidae. It is distributed widely across Africa, except for most of the Sahara desert. Species in the genus also occur in the Middle East, the Arabian Peninsula, southeastern Turkey, Iraq, Iran, Afghanistan, Pakistan, India, Nepal, Cape Verde Islands, and Sri Lanka (introduced).

<i>Mesobuthus eupeus</i> Species of scorpion

Mesobuthus eupeus is a polymorphic scorpion species belonging to the well-known family Buthidae. Commonly known as the lesser Asian scorpion or the mottled scorpion. It is thought to be the most widely dispersed species of the genus Mesobuthus, perhaps even of the family Buthidae.

<i>Rhopalurus junceus</i> Species of arachnid

Rhopalurus junceus, the red scorpion or blue scorpion, is an endemic species, one of 36 different types of scorpion found on Cuba and the Dominican Republic, as well as parts of Central America. It is called "blue scorpion" due to the peculiar blue tone on its tail and stinger; it is also known as "red scorpion" because it has a reddish dark body.

Centruroides arctimanus is a species of scorpion in the family Buthidae. They dwell in arid coastal areas and islands, from desert steppes to dry coastal forests. The scorpion meet under rocks and fallen trees, and less often under bark. The length of adult males is 30–55 mm and females is 30–40 mm. The entire scorpion is yellow with dark spots of various shapes; on the mesosome and pedipalps, there are usually three longitudinal lines, the cephalothorax, chelicera, legs, and the bottom of the metasoma. The tonality of dark spots in various individuals can vary. In captivity, the species can live up to 2–3 years.

<i>Leiurus abdullahbayrami</i> Species of scorpion

Leiurus abdullahbayrami is a species of scorpion in the family Buthidae. Its venom is highly toxic to humans, but can be used in medical development.

Scorpionism

Scorpionism is defined as the accidental envenomation of humans by toxic scorpions. If the injection of venom in a human results in death, this is defined as scorpionism. This is seen all over the world but is predominantly seen in the tropical and subtropical areas. These areas include Mexico, northern South America and southeast Brazil in the Western hemisphere. In the Eastern hemisphere, scorpionism poses a public health threat in regions of South Africa, the Middle East, and the Indian subcontinent.

Centruroides noxius is a species of scorpion native to Mexico.

References

  1. 1 2 3 4 5 Rein, J. O. Centruroides gracilis. The Scorpion Files. Norwegian University of Science and Technology, Trondheim. 2012.
  2. 1 2 Muma, M. H. (1967). Scorpions, whip scorpions and wind scorpions of Florida. [ permanent dead link ] In: Arthropods of Florida and Neighboring Areas, Volume 4. Division of Plant Industry. Florida Department of Agriculture.
  3. "details". www.tsusinvasives.org. Retrieved 2021-02-24.
  4. Teruel, R. (2008). Confirmation of the occurrence of Centruroides gracilis (Latreille 1805) (Scorpiones: Buthidae) in Jamaica. Boletín Sociedad Entomológica Aragonesa 42 370.
  5. "Rain could force Florida scorpions indoors. Here's what to know". NBC2 News. 2019-03-20. Retrieved 2021-02-24.
  6. 1 2 Centruroides gracilis. Institute for the Study of Invasive Species. Texas State University.
  7. 1 2 Francke, O. F. and S. K. Jones. (1982). The life history of Centruroides gracilis (Scorpiones, Buthidae). J Arachnol 10 223-39.
  8. Teruel, R. (2004). Primer registro de partenogénesis en Centruroides gracilis (Latreille, 1804) (Scorpiones: Buthidae). Revista Ibérica de Aracnología 9(30) 141-42.
  9. Culbert, D. Florida Scorpions. University of Florida IFAS Extension, Okeechobee County. April 10, 2005.
  10. Dor, A., et al. (2011). Predatory interactions between Centruroides scorpions and the tarantula Brachypelma vagans. Journal of Arachnology 39(1) 201-204.
  11. Centruroides gracilis. Clinical Toxinology Resources. The University of Adelaide.