08 January, 2026

The discovery of the genus Uroplectes on Madagascar and the Comoros Islands and some taxonomical decisions

 


In a recent article, Wilson Lourenco and co-workers present some taxonomic analysis on the genus Uroplectes Peters, 1861 (Buthidae) after discovering the presence of this genus on Madagascar. Here are the main findings/decisions:

Uroplectes nigrimanus (Pocock, 1890) from Kenya and Tanzania is revalidated to species status after been in synonymy with  Uroplectes fischeri (Karsch, 1879).

Uroplectes nigrimanus nigrocarinatus (Kraepelin, 1913) is reserved for the populations in Madagascar. The subspecies Uroplectes fischeri nigrocarinatus Kraepelin, 1913, which was used for the population from Tanzania, is synonymized with Uroplectes nigrimanus typicus (Pocock, 1890).

Uroplectes nigrimanus maore Lourenco, Wilme & Ythier, 2025. New subspecies used for the populations in the island of Mayotte.

Uroplectes xanthogrammus Pocock, 1897 from Tanzania is synonymized with Uroplectes nigrimanus (Pocock, 1890). 

Abstract:
A taxonomic analysis is proposed for the species of the genus Uroplectes Peters, 1861 (Scorpiones: Buthidae) present in Oriental Africa and associated with Uroplectes nigrimanus (Pocock, 1890), species originally known from Kenya. U. nigrimanus is revalidated at present and two subspecies namely Uroplectes nigrimanus nigrocarinatus (Kraepelin, 1913), a priori described from Madagascar and Uroplectes nigrimanus maore ssp. nov., described here from specimens collected in Mayotte, are defined here as subspecies of U. nigrimanus. Comments are also added about the possible ways of dispersion of Uroplectes species from African coast to Madagascar and Mayotte.

Reference:
Lourenço WR, Wilmé L, Ythier E. A propos de la présence du genre Uroplectes Peters, 1861 à Madagascar et aux Comores: caractérisation de deux populations avec la définition de deux sous-espèces distinctes (Scorpiones: Buthidae). Revue Arachnologique. 2025;Serie 2(12):42–9.

Thanks to Gerard and Eric for sending me this article and for answering my questions! 

Family Buthidae

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