Abstract
The genus Reichardtiolus Kryzhanovskij, 1959 is revised herein. It now contains five species: R. duriculus (Reitter, 1904) from middle Asia (with a doubtful female specimen from western China that is here tentatively assigned to this species), R. pavlovskii Kryzhanovskij, 1959 from Turkmenistan, R. sphingis (Peyerimhoff, 1936), comb. n. (transferred from Saprinus Erichson, 1834) from Egypt and Jordan, R. perses sp. n. from Iran and R. aldhaferi sp. n. from Saudi Arabia. Except for R. pavlovskii, which is a rather distinct species known only from two females, the remaining species are allopatric, very similar externally and are best separated from each other by their male terminalia. R. pavlovskii is kept in Reichardtiolus only tentatively, pending the examination of more specimens, and especially its male genitalia. R. duriculus and R. pavlovskii are re-described, while R. perses sp. n., R. aldhaferi sp. n. and R. sphingis comb. n. are provided with diagnostic descriptions because of their overall similarity with R. duriculus. Morphological differences of all species are illustrated using SEM micrographs. Male genitalia of R. duriculus, R. sphingis comb. n., R. perses sp. n. and R. aldhaferi sp. n. are illustrated and a key to the species is given. R. duriculus is newly recorded from Tajikistan.
Highlights
The genus Reichardtiolus was established by Kryzhanovskij (1959) based on the species Saprinus duriculus Reitter, 1904
During the years 2006–2013 I had the opportunity to examine a large number of Saprininae taxa, among them the rare R. pavlovskii and Saprinus sphingis Peyerimhoff, 1936, the latter of which has been treated as a species incertae sedis since its description (Peyerimhoff 1936; Mazur 1984; 1997; 2004; 2011)
Apparently belonging to Reichardtiolus from Saudi Arabia was recently discovered in the collections of the King Saud Museum of Arthropods (KSMA), and the author’s visit to the Zoological Institute of the Russian Academy of Sciences (ZIN) yielded another new species from south-western Iran
Summary
The genus Reichardtiolus was established by Kryzhanovskij (1959) based on the species Saprinus duriculus Reitter, 1904. At the time of its designation Reichardtiolus was a mere subgenus of the genus Exaesiopus Reichardt, 1926 and Kryzhanovskij (1959) included in it another species, R. pavlovskii, which he described in the same work. Apparently belonging to Reichardtiolus from Saudi Arabia was recently discovered in the collections of the King Saud Museum of Arthropods (KSMA), and the author’s visit to the Zoological Institute of the Russian Academy of Sciences (ZIN) yielded another new species from south-western Iran. The results of these examinations are presented below. This work presents another contribution to the on-going revisionary work of the genera of the subfamily Saprininae (Lackner 2009a-c, 2010, 2011a,b; Tishechkin and Lackner 2012; Lackner 2012; Lackner 2013a,b; Lackner and Gomy 2013)
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