Parabuthus transvaalicus

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Parabuthus transvaalicus
Parabuthus transvaalicus (male).jpg
Scientific classification
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P. transvaalicus
Binomial name
Parabuthus transvaalicus
Parabuthus distribution.png

Parabuthus transvaalicus (known as the Transvaal thick-tailed scorpion, dark scorpion, giant deathstalker, or South African flat tail) is a species of venomous scorpion from dry parts of southern Africa.[1]

Description[edit]

Parabuthus transvaalicus grows to a length of 90–110 millimetres (3.5–4.3 in), and is dark brown or black in colour, so it is also known as the Black Thick-Tailed scorpion.[2] Its pincers are thin, but its tail is thickened, with the sting segment being as wide as the rest of the tail.[2] It is nocturnal, resting in a shallow burrow under rocks during the day.[2] It resembles its congener P. villosus, which is less strictly nocturnal, hairier and has a more westerly distribution.[2] The species is the largest (measuring up to 18 cm) and only diurnal Buthid in the world.

Distribution[edit]

Parabuthus transvaalicus is found in deserts, scrublands and semi-arid regions of Botswana, Mozambique, Zimbabwe ,some parts of the Namib Desert and South Africa.[3]

Sting[edit]

Parabuthus transvaalicus is a dangerous scorpion, which can both sting and spray its kurtoxin venom.[2] The first droplet of venom differs from the rest, and is referred to as "pre-venom".[4]

References[edit]

  1. ^ Norman Larsen. "Parabuthus transvaalicus (Transvaal thick-tailed scorpion)". Biodiversity Explorer. Retrieved October 4, 2012.
  2. ^ a b c d e Vincent Carruthers (2005). "Spiders and other arachnids". The Wildlife of Southern Africa: a Field Guide to the Animals and Plants of the Region. Struik. pp. 14–27. ISBN 978-1-86872-451-2.
  3. ^ Jan Ove Rein (2010). "Parabuthus transvaalicus (Purcell, 1899)". The Scorpion Files. Norges Teknisk-Naturvitenskapelige Universitet. Retrieved November 2, 2010.
  4. ^ Bora Inceoglu; Jozsef Lango; Jie Jing; Lili Chen; Fuat Doymaz; Isaac N. Pessah; Bruce D. Hammock (2003). "One scorpion, two venoms: prevenom of Parabuthus transvaalicus acts as an alternative type of venom with distinct mechanism of action". Proceedings of the National Academy of Sciences. 100 (3): 922–927. Bibcode:2003PNAS..100..922I. doi:10.1073/pnas.242735499. PMC 298702. PMID 12552107.

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