New species of the genus Pseudotriarthron Normand, 1938 from the Iberian Peninsula (Coleoptera, Leiodidae, Leiodinae)
DOI:
https://doi.org/10.3989/graellsia.2013.v69.071Keywords:
Coleoptera, Leiodidae, Leiodinae, Pseudotriarthron, new species, iberian peninsula, SpainAbstract
We describe a new species of Pseudotriarthron Normand, 1938 from the iberian peninsula. Specimens of the type series are from Diapiro de la Rosa (Jumilla, Murcia). The genus Pseudotriarthron was created by Normand in 1938 for P. numidicum, to separate it from genus Triarthron Markel, 1840. Wollaston had previously created in 1857 the genus Stereus for S. cercyonides. Triarthron thurepalmi (Israelson, 1978) subsequently was described. Daffner (1983) unified the three species, but did so under the genus Stereus, previously occupied by Stereus Mannerheim, 1846 and therefore unusable. Three species now grouped besides that described in the genus Pseudotriarthron Normand, 1938, which has not be used again. Pseudotriarthron hispanicum n. sp. shares the set of characters that typify the genre. At present only three species are known: P. cercyonides (Wollaston, 1857), P. numidicum Normand, 1938 y P. thurepalmi (Israelson, 1978). Of these, only P. thurepalmi is well characterized, since the Types of the other two are lost and no other specimens are known, so that we have only the original descriptions. However it is possible to clearly separate Pseudotriarthron hispanicum n. sp. not only from of Pseudotriarthron thurepalmi but also from P. cercyonides and P. numidicum based on the morphological features detailed in the Discussion.
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