. Bonn zoological bulletin. Zoology. 12 VolkerAssing i Xian A AA A. 100 km Fig. 38. Distributions of species of the N. longilobatus group (open symbols) and of the N. shaanxiensis group (filled symbol): N. longilobatus (open square); N. huanghaoi (open triangles); N. bisimtosus (open circles); N. rectus (open diamonds); TV. micang- icus (filled circle). ventral view, and nearly reaching apex of median lobe (Figs 45-46). Comparative notes. This species is distinguished from the syntopic N. soclabilis by the darker coloration, on av- erage larger body size, the broader head, the on average less
. Bonn zoological bulletin. Zoology. 12 VolkerAssing i Xian A AA A. 100 km Fig. 38. Distributions of species of the N. longilobatus group (open symbols) and of the N. shaanxiensis group (filled symbol): N. longilobatus (open square); N. huanghaoi (open triangles); N. bisimtosus (open circles); N. rectus (open diamonds); TV. micang- icus (filled circle). ventral view, and nearly reaching apex of median lobe (Figs 45-46). Comparative notes. This species is distinguished from the syntopic N. soclabilis by the darker coloration, on av- erage larger body size, the broader head, the on average less oblong and posteriorly more strongly tapering prono- tum, noticeably longer elytra, denser and more defined punctation on the abdomen (particularly noticeable on ter- gites VI and VII), the deeper and narrower posterior ex- cision of the male sternite VIII, and by the much more slender median lobe of the aedeagus with much longer and more slender dorso-lateral apophyses. Based on the male sexual characters, N. longilobatus is closely related to N. huanghaoi from the environs of the Taibai Shan. It dif- fers from this species by slightly larger size, the larger head, the more densely and less glossy abdomen, the less deep posterior excision of the male sternite VIII, by the different shape of the ventral process of the aedeagus, as well as by the distinctly bent dorso-lateral apophyses. For illustrations of N. huanghaoi see Hu et al. (2010) and Figs 47-49. Distribution and natural history. The species is known only from one slope near a pass in a mountain range to the southeast of Longnan (Fig. 38). The specimens were Bonn zoological Bulletin 62 (1): 1-29 sifted from leaf litter, soil, and moss beneath shrubs at al- titudes of 2060 and 2130 m, together with N. sociabilis. Nazeris huanghaoi Hu & Li, 2010 (Figs 38, 47-49) Type material examined. Paratypes: \<S, 1?: "Daoban, Zhouzhi County, Shaanxi Prov., N E / alt. 1900 m, 4-V-2008, HUANG Hao &
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