A review of Plateros Bourgeois, 1879 (Coleoptera: Lycidae) from southeastern China, with descriptions of six new species from the Nanling Mountains.

We review the species of the lycid genus Plateros Bourgeois, 1879 from Southeast China in this study. Six new species are described, including P. flavihumeralis sp.

Four new species of the Mesolycus ilyai species group (Coleoptera: Lycidae) from China.

Four new species of the Mesolycus ilyai species group are described from China, namely, M. baoi sp. nov.

Establishment of two species groups of Ichthyurus Westwood (Coleoptera: Cantharidae), with description of two new species from China and Vietnam.

Two species groups of the genus Ichthyurus Westwood, 1848 in the Oriental Region are proposed based on the anatomical comparison. One is the I. vandepolli species group, which is composed of two species, namely I.

Revision of Euliroetis Ogloblin, 1936 (Coleoptera: Chrysomelidae: Galerucinae) from China, with descriptions of two new species.

In this study, based on the examination of type specimens, the morphology of male and female genitalia and additional body characters, the leaf-beetle genus Euliroetis is taxonomically revised. Five Chinese species of Euliroetis are redescribed, a new synonymy is proposed: E. nigrinota Gressitt et Kimoto, 1963 = E.

Four new species of Gallerucida Motschulsky, 1861 from China (Coleoptera: Chrysomelidae: Galerucinae).

Four new species of the genus Gallerucida Motschulsky, 1861 from China, G. mantillerii sp. nov.

A review of the leaf-beetle genus Gressitt & Kimoto, 1963 (Coleoptera, Chrysomelidae, Galerucinae) from China, with the description of a new species.

In this study, all species of the leaf-beetle genus Gressitt & Kimoto, 1963 from China are redescribed based on the reexamination of type specimens, and a new species, from Nanling Mountains, is described. A key to the three Chinese species of is provided, as well as photographs of the habiti and aedeagi of these species.

Revision of Chevrolat, 1836 (Coleoptera, Chrysomelidae, Galerucinae) from China, with descriptions of three new species.

In this study, 21 species of the leaf-beetle genus in China are described, including three new species, , and , and 1 new record, Jacoby, 1900. Additionally, Chen, 1964 is elevated to species. A key to the Chinese species of is provided.

Notes on spotted-elytron species of Motschulsky with the description of six new species from China (Coleoptera, Chrysomelidae, Galerucinae).

In this study, fifteen species of Motschulsky, 1860 (Coleoptera: Chrysomelidae: Galerucinae), with spotted elytra, from China are reviewed, including one new record: (Duvivier, 1885), six new species: Xu & Yang, , Xu & Nie, , Xu & Yang, , Xu & Yang, , Xu & Yang, , Xu & Nie, , and (Chen, 1942), . is removed from genus . A key to the spotted-elytron species of from China is given as well as habitus photographs of the related species and and photographs of the aedeagus of each new species.

Revision of Clark, 1865 (Coleoptera, Chrysomelidae, Galerucinae) from China, with descriptions of two new species.

In this study, ten species of Clack, 1865 are recognized and re-described: Sphenoraia (Sphenoraioides) anjiensis Yang & Li, 1998, Sphenoraia (Sphenoraioides) berberii Jiang, 1992, Sphenoraia (Sphenoraioides) duvivieri (Laboissière, 1925), Sphenoraia (Sphenoraioides) haizhuensis Yang, 2021, Sphenoraia (Sphenoraioides) micans (Fairmaire, 1888), Sphenoraia (Sphenoraioides) nebulosa (Gyllenhal, 1808), Sphenoraia (Sphenoraioides) nigromaculata Jiang, 1992, Sphenoraia (Sphenoraioides) punctipennis Jiang, 1992, Sphenoraia (Sphenoraioides) rutilans (Hope, 1831), and Sphenoraia (Sphenoraioides) yajiangensis Jiang, 1992. Two new species, Sphenoraia (Sphenoraia) decemmaculata Feng, Yang & Liu, and Sphenoraia (Sphenoraioides) flavomarginata Feng, Yang & Li, , are described. Additionally, Sphenoraia (Sphenoraia) cupreata Jacoby, 1890 and Sphenoraia (Sphenoraia) nigra Wang, Li & Yang, 2000 are transferred from to .

Complete mitochondrial genome of Distenia punctulatoides (Coleoptera: Chrysomeloidea: Disteniinae) and its phylogenetic implications.

The family Disteniidae is a moderately large and widely distributed lineage. Distenia punctulatoides belongs to the family Disteniidae from the cerambycoid assemblage. Here, we report the complete mitogenome of D.

Parallel metatranscriptome analysis reveals degradation of plant secondary metabolites by beetles and their gut symbionts.

Switching to a new host plant is a driving force for divergence and speciation in herbivorous insects. This process of incorporating a novel host plant into the diet may require a number of adaptations in the insect herbivores that allow them to consume host plant tissue that may contain toxic secondary chemicals. As a result, herbivorous insects are predicted to have evolved efficient ways to detoxify major plant defences and increase fitness by either relying on their own genomes or by recruiting other organisms such as microbial gut symbionts.

Five new species of the leaf-beetle genus Chevrolat (Coleoptera, Chrysomelidae, Galerucinae) from China.

In this study, five new species of the leaf-beetle genus Chevrolat, 1836 (Coleoptera, Chrysomelidae, Galerucinae) are described from China: , , , , and A key and catalogue to the 68 Chinese species of with the second and third antennomeres of equal length are given as well as photographs of the habitus and aedeagus of the new species and type habitus images of 37 known species.

The draft genome of the specialist flea beetle Altica viridicyanea (Coleoptera: Chrysomelidae).

Background: Altica (Coleoptera: Chrysomelidae) is a highly diverse and taxonomically challenging flea beetle genus that has been used to address questions related to host plant specialization, reproductive isolation, and ecological speciation. To further evolutionary studies in this interesting group, here we present a draft genome of a representative specialist, Altica viridicyanea, the first Alticinae genome reported thus far.

Results: The genome is 864.

A monograph of the genus Maladera Mulsant amp; Rey, 1871 of China (Coleoptera: Scarabaeidae: Melolonthinae: Sericini).

In the present monograph, the taxonomy of the species of the genus Maladera Mulsant Rey, 1871 from China is revised. We recorded 224 valid species for China, including 152 species new to science: Maladera allonitens Ahrens, Fabrizi Liu, sp. n.

The Relationship between Genus/Species Richness and Morphological Diversity among Subfamilies of Jewel Beetles.

A positive correlation between the species richness and morphological diversity of some organisms has been found in almost all studies at the local community scale. However, this documented relationship has not always been consistent because of diverse niches and the status of an organism in an ecosystem. Global taxon sampling, new morphological approaches, and consideration of more taxonomic categories other than species level are possible methods to further investigate this contradiction.

The complete mitochondrial genome of the seed-borer weevil, (Coleoptera: Chrysomelidae: Bruchinae).

In this study, the complete 15,892 bp mitochondrial genome of (Fåhraeus) was sequenced using Illumina NovaSeq6000 platform. The mitogenome is a double-stranded circular molecule of 15,892 bp in length with 22 transfer RNA genes, 13 protein-coding genes and two ribosomal RNA genes as in other insects. Twenty-five species from 8 subfamilies of Chrysomelidae were selected as ingroups and 3 species of Lamiinae as outgroups for phylogenetic analysis based on mitogenome.

A new Himalayan species of Alfieriella (Coleoptera: Cryptophagidae).

A new species of Alfieriella Wittmer, 1935 (Coleoptera, Cryptophagidae), Alfieriella senguptai sp. n. from China and India, is described.

Gut bacterial communities and their contribution to performance of specialist Altica flea beetles.

Host plant shifts are a common mode of speciation in herbivorous insects. Although insects can evolve adaptations to successfully incorporate a new host plant, it is becoming increasingly recognized that the gut bacterial community may play a significant role in allowing insects to detoxify novel plant chemical defenses. Here, we examined differences in gut bacterial communities between Altica flea beetle species that feed on phylogenetically unrelated host plants in sympatry.

A new genus of Languriinae from Mexico (Coleoptera, Erotylidae), with comments on the potential mimic phenomenon of some languriines.

A new genus of Languriinae, Huang, is erected for a single species, Gorham, 1887 from Mexico. It is similar to the Neotropical genus Latreille, 1802. The differential diagnosis of this new genus is based on the structural features of the elytral apices and slight impressions present on each elytron.