Nalassus Mulsant 1854

Key to species of the nominotypical subgenus of the genus Nalassus from Turkey The key is modified from K����������� et al. (2017b). 1 Ventral aspect of eye with weak posterior ventral impression............................................. N. becvari sp. nov. ��� Ventral aspect of eye with distinct deep groove......... 2 2 Wings fully developed, with apical and medial flecks, longer than elytra, folded under elytra. Recurrent cell presented. Male abdominal ventrite 1 without brush of long setae in middle. Elytra parallel............................................................................ N. plebejus (K��ster, 1850) ��� Wings not developed, absent or reduced (with only some small veins R, Cu, A), without recurrent cell and flecks. Male abdominal ventrite 1 with brush of long setae in middle. Elytra not parallel............................... 3 3 Wings absent. Body wide, robust, strongly shining, pronotum with projected anterior angles. Male middle antennomeres not thickened....................................................................................... N. graecus (Seidlitz, 1896) ��� Wings present, reduced, much shorter than elytra. Body elongate, moderately shining, anterior angles of pronotum not projected, widely rounded. Male middle antennomeres distinctly thickened.............................. 4 4 Body brown, without bronze shine. Pronotum not cordiform, with weakly rounded margins..................................................... N. faldermanni (Faldermann, 1837) ��� Body black, with bronze shine. Pronotum weakly cordiform, with basally emarginated margins.......................................................... N. dilaticornis (Reitter, 1922)
Published as part of Nabozhenko, Maxim, Keskin, Bekir & Papadopoulou, Anna, 2020, Two new species and new records of darkling beetles of the tribe Helopini from Turkey and Cyprus (Coleoptera: Tenebrionidae), pp. 411-417 in Acta Entomologica Musei Nationalis Pragae 60 (2) on pages 415-416, DOI: 10.37520/aemnp.2020.25, http://zenodo.org/record/4489312
{"references":["GRIMM R. 1991: Tenebrioniden von der Insel Zypern (Insecta: Coleoptera). Biocosme Mesogeen 8: 15 - 49."]}