Alpiscorpius akkayai an unexpected new species from Denizli Province, Turkey (Scorpiones: Euscorpiidae)

A new scorpion species, Alpiscorpius akkayai sp. n., is described from near Lake Acıgöl, Çardak District, Denizli Province, in the Aegean Region of western Turkey, based on morphological characters. The species is assigned to the genus Alpiscorpius Gantenbein et al. based on the presence of three trichobothria in the em series on the external surface of the pedipalp patella. Alpiscorpius akkayai sp. n. can be readily distinguished from all its congeners by its yellow-orange body and yellow or yellow-orange metasomal colouration; the presence of distinct ventrolateral carinae on metasomal segment V; the presence of seven trichobothria in the Pv series; and five to six trichobothria in the et series. Alpiscorpius akkayai sp. n. was collected from a low-altitude locality geographically close to the known distributions of Euscorpius hakani Tropea and Yağmur and Euscorpius honazicus Tropea, Yağmur, Karampatsou, Parmakelis and Yeşilyurt. Therefore, the occurrence of this new species in this locality is unexpected. Both species are herein transferred to the genus Alpiscorpius Gantenbein et al. because they possess three trichobothria in the em series and a reduced number of trichobothria in the Pv series (Pv = 7 and 6, respectively), and the new species is particularly compared to these two species. With the description of this new species and the new combinations Alpiscorpius hakani (Tropea and Yağmur) comb. n. and Alpiscorpius honazicus (Tropea, Yağmur, Karampatsou, Parmakelis and Yeşilyurt) comb. n., the number of recognised species of the family Euscorpiidae increases to 26, and the genus Alpiscorpius is now represented by 13 species in Turkey.http://www.zoobank.org/urn:lsid:zoobank.org:pub:8156B505-5AF2-4DD8-8476-01A46A049C22