10 Escorpiões mais Venenosos do Mundo

10 Most Venomous Scorpions of the World
I found many different lists, but the following is the average of lists in which I researched. The greater part of them have in common the first 3 posts.

1. North African desert scorpion (Androctonus australis)
File:Androctonus australis 02.JPG
Androctonus australis is a hardy North African desert scorpion. A. australis, along with A. amoreuxi, is the most commonly available scorpion found in the exotic animal trade.
Unlike most other animals that live in deserts, Androctonus does not dig burrows to protect itself from a sandstorm. Instead, it can withstand sandstorms powerful enough to strip paint off steel, without any apparent damage. The resistance of Androctonus to sandstorms is suspected to be due to the discovery of its odd exoskeleton surface. Its armour is covered with dome-shaped granules that are 10 µm (0.0004 in) high and 25–80 µm (0.0010–0.0031 in) across. When its odd surface is translated into other materials it protects them to a certain degree as well, which has led to the possibility of the applicability of imitation surfaces in such objects as aeroplanes and helicopters.
Toxicity:
Androctonus australis has a very potent venom, equivalent to a black mamba snake. It claims several lives each year.

2. Deathstalker, (Leiurus quinquestriatus)
File:Deathstalker ST 07.JPG
The deathstalker (Leiurus quinquestriatus), is a species of scorpion, a member of the Buthidae family. It is also known as Palestine yellow scorpion, Omdurman scorpion, Israeli desert scorpion and numerous other colloquial names, which generally originate from the commercial captive trade of the animal. To eliminate confusion, especially with potentially dangerous species, the scientific name is normally used to refer to them. The name Leiurus quinquestriatus roughly translates into English as "five-striped smooth-tail". Other species of the genus Leiurus are often referred to as "deathstalkers" as well.
L. quinquestriatus is yellow in color, and measures 30–77 millimetres (1.2–3.0 in) long, with an average of 58 mm (2.3 in).

3Arabian fat-tailed scorpion, (Androctonus crassicauda)
File:Black scorpion.jpg
Fattail scorpion or fat-tailed scorpion is the common name given to scorpions of the genus Androctonus, one of the most dangerous groups of scorpions species in the world. They are found throughout the semi-arid and arid regions of the Middle-East and Africa. They are a moderate sized scorpion, attaining lengths of 10 cm (just under 4 in). Their common name is derived from their distinctly fat metasoma, or tail, while the Latin name originates from Greek and means "man killer". Their venom contains powerful neurotoxins and is especially potent. Stings from Androctonus species are known to cause several human deaths each year. Several pharmaceutical companies manufacture an antivenom for treatment of Androctonus envenomations.

4. Brazilian Yellow scorpion, (Tityus serrulatus)

Tityus serrulatus, the Brazilian yellow scorpion, is a species of scorpion belonging to the family Buthidae. It is native to Brazil and its venom is extremely toxic. It is considered the most dangerous scorpion in Brazil, It is usually parthenogenetic.

5. Black fat tail scorpion, (Androctonus bicolor)
File:ANDROCTONUS CRASSICAUDA.jpg
Black fat–tailed scorpion (Androctonus bicolor) is a scorpion species, belonging to the family Buthidae. It is black in color and can grow up to 9 cm.
Not all deadly scorpions are shades of yellow. A.bicolor is black and again note the extraordinarily slender pedipalp and thick metasoma. This is quite often confused with Androctonus crassicauda (black variety) but its pedipalp is comparatively slender.
However, it is not nearly as venomous as A.australis or L.quinquestriatus.

6. (Androctonus amoreuxi)

This at least I can differentiate from A.australis. The terminal metasoma does not have the darker coloration and the metasoma is not as wide as A.australis. The pedipalp also appear less bulbous than A.australis.

7. Buthus scorpion, (Buthus occitanus tunetanus)
File:Buthus occitanus.jpg
Buthus is a genus of scorpion belonging and being eponymous to the family Buthidae. It is distributed widely across northern Africa, including Morocco, Mauritania, Algeria, Tunisia, Libya, Egypt, Senegal, Guinea-Bissau, Nigeria, Sudan, Somalia, Ethiopia, Djibouti, as well as the Middle East, including Israel, Jordan, Lebanon, Iraq, Yemen, and possibly Saudi-Arabia and southern Turkey. Its European range includes the Iberian Peninsula, southern France, and Cyprus.

8. Transvaal thick-tailed scorpion, (Parabuthus transvaalicus)
File:Parabuthus transvaalicus (male).jpg
Parabuthus transvaalicus (known as the Transvaal thick-tailed scorpion or dark scorpion) is a species of venomous scorpion from dry parts of southern Africa.
Parabuthus transvaalicus grows to a length of 90–110 millimetres (3.5–4.3 in), and is dark brown or black in colour. Its pincers are thin, but its tail is thickened, with the sting segment being as wide as the rest of the tail. It is nocturnal, resting in a shallow burrow under rocks during the day. It resembles its congener P. villosus, which is less strictly nocturnal, hairier and has a more westerly distribution.

9. Arizona Bark Scorpion, (Centruroides exilicauda)
File:Bbasgen-bark-scorpion.jpg
The Arizona bark scorpion (Centruroides sculpturatus, included in Centruroides exilicauda), is a small light brown scorpion common to the southwest United States and Northern Mexico. The range of the scorpion is the Sonoran Desert. 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).

10. Striped bark scorpion, (Centruroides vittatus)
File:StripedBarkScorpion.jpg
The striped bark scorpion (Centruroides vittatus) 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.

Source: wikipedia.org

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