Özet:

A new species, Leiurus hadb Al-Qahtni, Al-Salem, Alqahtani amp; Badry, sp. nov., is described and illustrated from the Majami al-Hadb Protected Area in the Riyadh Province of Saudi Arabia. The new species is compared with species of Leiurus distributed in Saudi Arabia, especially L. arabicus Lowe, Yağmur amp; Kovařík, 2014. The integrated results indicate that the population found in Majami al-Hadb represents a distinct species, which is described herein. Moreover, the molecular analysis is conducted on the mitochondrial gene 16S rRNA to compare L. hadb sp. nov. with samples of L. arabicus and L. haenggii from Saudi Arabia. The analysis revealed a genetic divergence ranging from 6.0 to 12%. The combination of molecular evidence and morphological characteristics provides adequate support for recognizing the Majami al-Hadb population as a distinct species. Additionally, an identification key for the genus Leiurus found in Saudi Arabia is also provided.

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