sp. nov. from Guangxi, with a key and checklist of Chinese species and additional records of Zimmermann, 1924 from China (Coleoptera, Dytiscidae, Hydroporinae, Hyphydrini).

A new species from Guangxi, China is described. New records are provided for the following species: Wewalka, 2000 and Wewalka, 2000 from Zhejiang, and Bian, Guo & Ji, 2013 from Guizhou. Additional records are also given for some other Chinese species.

Phylogenomics resolves a 100-year-old debate regarding the evolutionary history of caddisflies (Insecta: Trichoptera).

Trichoptera (caddisfly) phylogeny provides an interesting example of aquatic insect evolution, with rich ecological diversification, especially for underwater architecture. Trichoptera provide numerous critical ecosystem services and are also one of the most important groups of aquatic insects for assessing water quality. The phylogenetic relationships of Trichoptera have been debated for nearly a century.

Chromosome-scale genome assemblies of Himalopsyche anomala and Eubasilissa splendida (Insecta: Trichoptera).

Trichoptera is one of the most evolutionarily successful aquatic insect lineages and is highly valued value in adaptive evolution research. This study presents the chromosome-level genome assemblies of Himalopsyche anomala and Eubasilissa splendida achieved using PacBio, Illumina, and Hi-C sequencing. For H.

Seven new species and four new records of Psychomyiidae (Insecta, Trichoptera) from China.

Seven new species of the family Psychomyiidae Walker, 1852 are described and illustrated from China; they are , , , , , , and The genus is reported for the first time from mainland China. In addition, four psychomyiids are found to be new to the Chinese caddis fauna: Malicky & Chantaramongkol, 1993; Malicky, 1979; Malicky & Chantaramongkol, 1993; and Johanson & Oláh, 2008. Moreover, Li, Qiu & Morse, 2021 is reviewed and synonymized with Malicky, 2020.

Shifting taxonomic and functional community composition of rivers under land use change.

Land use intensification has led to conspicuous changes in plant and animal communities across the world. Shifts in trait-based functional composition have recently been hypothesized to manifest at lower levels of environmental change when compared to species-based taxonomic composition; however, little is known about the commonalities in these responses across taxonomic groups and geographic regions. We investigated this hypothesis by testing for taxonomic and geographic similarities in the composition of riverine fish and insect communities across gradients of land use in major hydrological regions of the conterminous United States.

Description of adult female, larva, and pupa of Glossosoma (Lipoglossa) kamael Malicky 2012 (Trichoptera: Glossosomatidae) associated by COI sequences from China.

The adult female, larva, and pupa of Glossosoma (Lipoglossa) kamael Malicky 2012 from Qinghai Province, China, are described and illustrated. Molecular associations are based on COI sequences. The immature stages of the subgenus Lipoglossa are described for the first time.

Five new species of Tinodes (Trichoptera: Psychomyiidae) from China.

Five new species of genus Tinodes Curtis 1834 from China are described, illustrated, and diagnosed based on distinctive characters of male genitalia, including Tinodes falcata n. sp., T.

Four New Species of the Genus (Trichoptera: Psychomyiidae) from China Inferred from Morphology and DNA Barcodes.

Four new species of the genus Kimmins, 1955 from China are described, illustrated, and diagnosed based on male genitalia: sp. nov. from Hainan, sp.

New species of the genus Curtis, 1834 (Trichoptera, Molannidae) in China inferred from morphology and DNA barcodes.

The male adult of Ge, Peng & Sun is described and illustrated based on material collected in Si-chuan, China. It could be diagnosed by the subtriangular superior appendages when viewed dorsally, and by the mesal appendages each having a slender thorn and inferior appendages with a tiny inner process. Based on morphology of genitalia, we provide a dichotomous key to adult males of from the Oriental region.

New Mitogenome Features of Philopotamidae (Insecta: Trichoptera) with Two New Species of .

A total of 14 individuals of Philopotamidae, from China, were examined. Six species in four genera, including two new species of the genus , were recognized. Their barcode sequences were extracted, mitogenomes were sequenced, assembled and analyzed.

Comparative Mitogenomic Analyses of Hydropsychidae Revealing the Novel Rearrangement of Protein-Coding Gene and tRNA (Trichoptera: Annulipalpia).

Gene rearrangement of the mitochondrial genome of insects, especially the rearrangement of protein-coding genes, has long been a hot topic for entomologists. Although mitochondrial gene rearrangement is common within Annulipalpia, protein-coding gene rearrangement is relatively rare. As the largest family in Annulipalpia, the available mitogenomes from Hydropsychidae Curtis, 1835 are scarce, and thus restrict our interpretation of the mitogenome characteristic.

The First Chromosome-level Genome Assembly of Cheumatopsyche charites Malicky and Chantaramongkol, 1997 (Trichoptera: Hydropsychidae) Reveals How It Responds to Pollution.

Trichoptera is a highly adapted group of freshwater insects. They are generally more sensitive to dissolved oxygen and water quality than most freshwater organisms, and this sensitivity allows them to be used as reliable biological indicators of water quality. At present, there exists no chromosome-level genome of a hydropsychid species.

Distance decay 2.0 - A global synthesis of taxonomic and functional turnover in ecological communities.

Aim: Understanding the variation in community composition and species abundances (i.e., β-diversity) is at the heart of community ecology.

A New Species of (Insecta: Trichoptera: Limnephilidae) from China, with Revision of the Genus on the Chinese Mainland.

Fifty individuals of Limnephilus from the Qinghai Province, China, were examined, and their COI barcode sequences were extracted and analyzed. Forty individuals of Limnephilus from the Insect Collection of Nanjing Agricultural University (ICNAU), China, were examined, and photos of the male genitalia of four Limnephilus species are here presented. The males, females, larvae, and pupae of a new species, Limnephilus deqianensis n.

Ecological drivers of macroinvertebrate metacommunity assembly in a subtropical river basin in the Yangtze River Delta, China.

Identifying the underlying ecological drivers of macroinvertebrate community assembly is fundamental to metacommunity ecology. Comparably, determining the influence of different drivers on beta diversity patterns can provide insight into processes governing community organization. Exploring the ecological drivers of metacommunity and beta diversity are major avenues to improve bioassessment, restoration, and river management, which are still poorly explored in China, especially in subtropical highly developed river networks.

The First Report of the Genera and (Trichoptera: Xiphocentronidae) from China, with Descriptions of Two New Species.

The genera Mosely 1948 and Schmid 1982 are recorded in China for the first time. In this study, two new species, sp. nov.

Descriptions of larvae of three species of Hydropsyche Pictet 1834 (Trichoptera, Hydropsychidae) from China.

Adults and larvae of the genus Hydropsyche from Yun-nan and Si-chuan Provinces, China, were examined and the COI barcode gene sequences were obtained and analyzed, adults and larvae of 3 species were successfully associated. Of them, H. uvana Mey 1995 is a new record for the Chinese caddisfly fauna.

Four new species of Psychomyia (Trichoptera: Psychomyiidae) from China, with re-descriptions of two species.

Four new species of the genus Psychomyia from China are described, illustrated and diagnosed: P. complexa n. sp.

Descriptions of larvae of three Philopotamidae species from China (Insecta, Trichoptera).

Adults and larvae of the family Philopotamidae from Zhejiang Province, China, were examined and mtCOI gene sequences were extracted and analyzed, males and larvae of 3 species were successfully associated. The larvae of Chimarra sadayu Malicky 1993, Dolophilodes bellatula Sun Malicky 2002, Wormaldia unispina Sun 1998 are described in detail and their diagnostic photographs and illustrations are presented. Diagnostic characters for genera and species are discussed.

Metacommunity Structure of Stream Insects across Three Hierarchical Spatial scales.

A major challenge in community ecology is to understand the underlying factors driving metacommunity (i.e., a set of local communities connected through species dispersal) dynamics.

Incorporating functional traits to enhance multimetric index performance and assess land use gradients.

Taxonomic-based multimetric indices (MMIs) have been widely employed for assessing ecosystem status, particularly through the use of stream macroinvertebrate assemblages. However, the functional diversity and composition of assemblages is also important for maintaining stream ecosystem condition. Nonetheless, aquatic insect functional diversity and composition have not commonly been included in MMIs.

Description of larva of Euphaea superba Kimmins, 1936 (Odonata: Zygoptera: Euphaeidae) from China.

The final stadium larva of Euphaea superba Kimmins, 1936 is described and illustrated based on a male and a female specimens collected in Zhejiang province, China. The larvae were associated with the adults by mtCOI gene sequence. The larva of E.

A new species of Chimarra from China (Trichoptera, Philopotamidae) with description of its larva.

The adult male and larva of a new species in the genus Chimarra Stephens, Chimarra paramonorum n. sp., are described, diagnosed, and illustrated based on the specimens collected in Zhejiang Province, China.

Descriptions of larvae of three species of Hydropsyche (Trichoptera, Hydropsychidae) from China.

Twenty-one individuals of Hydropsyche from An-hui and Zhe-jiang Provinces, China, were examined and their DNA barcode sequences were generated and analyzed. The larvae and males of H. arion, H.