Mesobuthus

Mesobuthus is an Asian genus of scorpions in the family Buthidae.

Mesobuthus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Scorpiones
Family: Buthidae
Genus: Mesobuthus
Vachon, 1950
Synonyms[1][2]

Species

Mesobuthus contains the following species:[3]

  • Mesobuthus afghanus (Pocock, 1889)
  • Mesobuthus barszczewskii (Birula, 1904)
  • Mesobuthus birulai Kovarik et al., 2022
  • Mesobuthus bogdoensis (Birula, 1896)
  • Mesobuthus crucittii Kovarik et al., 2022
  • Mesobuthus eupeus (C.L. Koch, 1839)
  • Mesobuthus fomichevi Kovarik et al., 2022
  • Mesobuthus farleyi Kovarik et al., 2022
  • Mesobuthus galinae Kovarik et al., 2022
  • Mesobuthus haarlovi Vachon, 1958
  • Mesobuthus iranus (Birula, 1917)
  • Mesobuthus kaftani Kovarik et al., 2022
  • Mesobuthus kirmanensis (Birula, 1900)
  • Mesobuthus macmahoni (Pocock, 1900)
  • Mesobuthus marusiki Kovarik et al., 2022
  • Mesobuthus mesopotamicus Penther, 1912
  • Mesobuthus mirshamsii Kovarik et al., 2022
  • Mesobuthus navidpouri Kovarik et al., 2022
  • Mesobuthus persicus (Pocock, 1899)
  • Mesobuthus philippovitschi (Birula, 1905)
  • Mesobuthus phillipsi (Pocock, 1889)
  • Mesobuthus rahsenae Kovarik et al., 2022
  • Mesobuthus thersites (C. L. Koch, 1839)
  • Mesobuthus turcicus Kovarik et al., 2022
  • Mesobuthus vesiculatus (Pocock, 1899)
  • Mesobuthus vignolii Kovarik et al., 2022
  • Mesobuthus yagmuri Kovarik & Fet, 2022
  • Mesobuthus zarudnyi Nouvruzov, Kovarik & Fet, 2022
  • Mesobuthus zonsteini Kovarik et al., 2022

Mesobuthus vesiculatus[4]

The scorpion Mesobuthus vesiculatus is a species of scorpion in the family Buthidae. It is primarily located in Iran, ranging from the Caucaso-Iranian Highlands to Anatolian-Iranian Desert (90% of Iran). The males and females are of a modest in size, reaching lengths of 60 mm or approximately 2.4 inches. M. vesiculatus is known to have a yellowish to brownish yellow coloration with brownish segments located at or near tergite, sclerotized plate formed near dorsal portion of an arthropod, and dark reticulations on the basal half. Males in general have more pectines, comb-like teeth, 26-29 than females 20–22.

Carapace

Anterior of the carapace is virtually smooth, with slight emarginates. The carinae are seen to be more pronounced in males and granular in both genders. However, the posterior median carinae are small with granules on the dorsal edge of the carapace. The dorsal side of the metasomal segments are all temperately developed. Three pairs of lateral eyes are located on each side, and the median eyes are separated, from one another, by 2 ocular diameters.

Telson

The telson is globular in shape, characteristic of the scorpions in the family Buthidae, but appears more swollen with short, small, and hooked aculeus (A. Karatas, 2012).

Chelicerae

It has two reduced denticles at base of the ventral side of its movable finger.

Legs

All legs have spurs that are prolateral and retro lateral, and all telotarsi have two rows of bristles ventrally and several setae dorsally. The dactyl is small and blunt, while the ungues short, stout, and weakly curved (A. Karatas, 2012). Legs III and IV contain strong tibial spurs.

Hemi spermatophore

These are typical for this genus and family of scorpion. The outer and interior lobe of the truncal flexure are thick at the base. There are four distinct lobes with the interior lobe being the largest in size.

Differentiation of M. vesiculatus from other scorpions in family Buthidae

M. Vesiculatus is similar to Sassanidotus gracillis because they both have a large telson and narrow metasoma but M. Vesiculatus is shown to have three granules near the terminal granule on the pedipalp movable finger. M. Vesiculatus also has very pronounced carapacial and metasomal carination, and its metasomal segment are seen to be larger than that of Olivierus caucasicus and smaller than that of M. eupeus. M. Vesiculatus is different than these three other species in that its median eyes are much larger, its vesicle and aculeus is smaller, and it has a stouter carination on its pedipalp.

References
  1. Afghanobuthus Lourenço, 2005 in GBIF Secretariat (2021). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2021-10-21
  2. IRMNG (2021). Afghanobuthus Lourenço, 2005. Accessed at: https://www.irmng.org/aphia.php?p=taxdetails&id=1168001 on 2021-10-21
  3. Jan Ove Rein (2022). "Buthidae". The Scorpion Files. Norges Teknisk-Naturvitenskapelige Universitet. Retrieved 15 March 2022.
  4. Karatas, Aysegul (Sep 2012). "Rediscription of Mesobuthus Vesiculatus". Turkish Journal of Zoology. 36: 576–584 – via EBSCO.
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