29 April, 2021

A few taxonomical changes in the genus Orthochirus


Wilson Lourenco and Eric Ythier have recently published an article with some taxonomical changes in the genera Orthochirus Karsch, 1891 and Orthochiroides Kovarik, 1998 in Africa (Buthidae).

 Genus Orthochiroides Kovarik, 1998 is synonymized with Orthochirus Karsch, 1891 and the three species belonging to to the former is now in Orthochirus.

Orthochirus arenicola Lourenco & Ythier, 2021 - New species from the coasts of Somalia.

Orthochirus aristidis (Simon, 1882) is restored from its synonymy with Orthochirus olivaceus (Karsch, 1881). 

A new species of buthid scorpion, Orthochirus arenicola sp. n. is described from the coasts of Somalia. The scorpion was collected on the beach sand under bush-like herbaceous vegetation by our late Italian colleague Professor P. M. Brignoli. New considerations are also proposed for other related taxa. Orthochirus afar Kovařík & Lowe, 2016 described from Afar, Ethiopia is suggested to be a synonym of Orthochirus aristidis (Simon, 1882); no final decision is taken however face to the impossibility of consulting the types of Orthochirus afar. Orthochirus aristidis is restored from its synonymy with Orthochirus olivaceus (Karsch, 1881). Finally, the genus Orthochiroides Kovařík, 1998 is placed as a junior synonym of Orthochirus Karsch, 1891.

Lourenco WR, Ythier E. A particular new species of Orthochirus Karsch, 1891 from Somalia (Scorpiones: Buthidae). Serket. 2021;17(4):335-49. [Open Access]

Thanks to Eric for sending me their article!

Family Buthidae



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