The adult, pupa and larva of a new species, Gnaptorina (Gnaptorina) lhorongica Li, sp. nov., from northeastern Xizang, China are described and illustrated. The species was identified using molecular phylogenetic analyses based on three mitochondrial fragments and one nuclear gene fragment (COI, Cytb, 16S, and 28S-D2). The taxonomic status of the new species is confirmed using a combination of molecular and morphological datasets. This study provides valuable molecular and morphological data for phylogenetic studies of the tribe Blaptini.

A new subgenus and four new species of the genus Gnaptorina Reitter, 1887 from China are described and illustrated: Austroptorina subgen. n. (type species Gnaptorina longicornis Li & Ren, 2004), G. (A.) polita sp. n. (Xizang), G. (B.) ampliptera sp. n. (Sichuan), G. (G.) artipenis sp. n. (Sichuan) and G. (G.) crenata sp. n. (Sichuan, Xizang). The new subgenus distributes in southeastern Xizang and western Hcngduan Mountains of China, antennae and legs slender and long, protibiae slightly marginate from middle to apex on inner side and weakly curved to inner side apically, ventral surface of protarsomeres 1-2 and mesotarsomere 1 with hairy brush in males.

The genus Pseudognaptorina, with four described species, is endemic to the Qinghai-Xizang Plateau. In this study, Pseudognaptorina is reviewed based on a combination of molecular and morphological datasets. A preliminary phylogenetic tree is reconstructed based on COI sequences of four related genera within the subtribe Gnaptorinina. Additionally, the geographical distribution of Pseudognaptorina is presented. Six new species are described and illustrated: P. banbarica X.-M. Li, sp. nov., P. himalayana X.-M. Li, sp. nov., P. migana X.-M. Li, sp. nov., P. oblonga X.-M. Li, sp. nov., P. rectangularis X.-M. Li, sp. nov., and P. reni X.-M. Li, sp. nov. This work provides valuable molecular, morphological, and distributional data for the study of species evolution in the subtribe Gnaptorinina.

Nalepa Reitter, 1887 is a monotypic genus of the tenebrionid tribe Blaptini and is endemic to the Tibetan Plateau. In this study, the genus Nalepa was reviewed using a combination of molecular and morphological datasets. Based on the results, six new species were described: N.acuminata sp. n., N. ovalifolia sp. n., N.polita sp. n., N. quadrata sp. n., N.xinlongensis sp. n., and N.yushuensis sp. n. In addition, the larvae of N. cylindracea Reitter, 1887 and N. quadrata sp. n. were described and associated with related adults using molecular approaches. This study provides valuable molecular and morphological data for phylogenetic studies.

The adult of Uloma (Uloma) metogana Ren, 2004, an endemic species to the southeastern Qinghai-Xizang Plateau of China, is redescribed and illustrated. The male of this species is newly discovered, its larva and pupa are described and illustrated for the first time. Meanwhile, sequences of three gene fragments (COI, Cytb and 16S rDNA) are obtained for the larva, pupa and adult to further confirm their identity.

In this study, a new species of the genus Dila Fischer von Waldheim, 1844, D. ngaria Li and Ren sp. n., was described from the southwestern Himalayas. The adult and larva were associated using molecular phylogenetic analyses based on fragments of three mitochondrial and one nuclear gene fragment (COI, Cytb, 16S and 28S-D2). Additionally, a preliminary phylogenetic tree was reconstructed and discussed based on a molecular dataset with seven related genera and 24 species of the tribe Blaptini. Meanwhile, the monophyly of the subtribe Dilina and the taxonomic status of D. bomina Ren and Li, 2001 are discussed. This work provides new molecular data for phylogenetic studies on the tribe Blaptini in the future.