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Three new species, Gint sahil sp. n. from Somaliland and Gint abshiri sp. n. and G. derbiae sp. n. from Ethiopia are described and compared with other species of the genus. Additional information is provided on the taxonomy and distribution of the genus Gint, fully complemented with color photos of specimens of the new species, as well as of their habitats. Furthermore, alongside the analyses of external morphology and hemispermatophores, we have provided description of the karyotype of G. abshiri sp. n. This species exhibits karyotype with 2n=27. Included is distribution map and a key for the genus Gint. [ABSTRACT FROM AUTHOR]

The complex of Parabuthus heterurus Pocock, 1897 is split into four species: P. heterurus Pocock, 1897 s. str. whose type locality and real distribution are discussed and corrected, and three herein described species, P. kabateki sp. n., P. robustus sp. n. and P. somalilandus sp. n. In the species complex of Parabuthus liosoma (Ehrenberg, 1828), P. erigavoensis sp. n. from Somaliland is described. Also described are P. mazuchi sp. n., sympatric with P. cimrmani Kovařík, 2004 and P. eritreaensis Kovařík, 2003 from Somaliland. New data are presented on the distribution of the genus Parabuthus Pocock, 1890 in the Horn of Africa, mainly in Somaliland, acquired during expeditions in 2017–2019. Information is provided about Parabuthus species from Somaliland, their taxonomy, distribution, and ecology, fully complemented with color photos of live and preserved specimens, as well as their habitats. The hemispermatophores of P. kabateki sp. n., P. mazuchi sp. n., P. robustus sp. n. and P. somalilandus sp. n. are illustrated and described. In addition to the analyses of external morphology and hemispermatophores, we also described the karyotypes of P. kabateki sp. n., P. robustus sp. n., and P. somalilandus sp. n. All three species have karyotypes with 2n=16 and chromosomes gradually decreasing in length. Included is a key to Parabuthus Pocock, 1890 in the Horn of Africa. Parabuthus terzanii Rossi, 2017 is synonymized with Parabuthus hamar Kovařík et al., 2016 syn. n. as a junior synonym because the description dated July 2016 was in reality published/accessible in March 2017. [ABSTRACT FROM AUTHOR]

New information about the taxonomy and distribution of the genus Neobuthus Hirst, 1911 is presented, based on material recently collected mainly from Somaliland, but also Djibouti and Kenya. Emended diagnoses are proposed for N. berberensis Hirst, 1911 and N. ferrugineus (Kraepelin, 1898) sensu stricto. New species described are: N. amoudensis sp. n. from Ethiopia and Somaliland; N. erigavoensis sp. n., N. factorio sp. n., N. gubanensis sp. n., N. maidensis sp. n., and N. montanus sp. n. from Somaliland; and N. kloppersi sp. n. from Kenya. This doubles the number of species in Neobuthus, unearthing a rich diversification of this genus of diminutive buthids in the Horn of Africa. Included is a key and distribution map. In N. gubanensis sp. n., we report a second known case of anomalous pectine development with tarsal-like structures that implicate homeotic mutation, providing further evidence of pectine-leg homology in scorpions. [ABSTRACT FROM AUTHOR]