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New taxonomic and faunistic data for three species of the genus Sinlathrobium Assing, 2013 from China are provided. Sinlathrobium assingi Chen & Peng, sp. nov. (Chongqing: West Da…

A new aphid species, Chaitoregma kirlia sp. nov., from Fujian and Guangdong, China, is described, which feeds on bamboo. The diagnostic morphological characteristics of the new sp…

Mecistocephalus Newport, 1843 is the most diverse genus in the family Mecistocephalidae; however, only two species have been recorded in mainland China to date. Therefore, taxonom…

Dryadaula epischista (Meyrick, 1936), initially described from a single male specimen in Japan, is herein redescribed based on newly collected specimens from the type locality. Fu…

This study presents a description of a new stick insect species belonging to the genus Trychopeplus Shelford, 1909, discovered by the authors in the Chocó ecoregion of northwester…

In this study, three new bamboo-feeding species of the genus Bambusiphaga Huang & Ding, 1979 (Hemiptera, Fulgoroidea, Delphacidae, Tropidocephalini), B. caudospina Lv, Li & Chen, …

A new species of Proaphelinoides Girault, Proaphelinoides huangi Chen & Jiang, sp. nov., is reported from China. A key to all species of the genus is provided. DNA standard barcod…

Two xyleborine ambrosia beetles, Eccoptopterus formosanus sp. nov. and E. intermedius sp. nov. are described from Taiwan and Thailand, respectively, based on DNA sequences (COI an…

Fauna inventories reduce biodiversity knowledge gaps by providing comprehensive data on species distribution, richness, and abundance. Furthermore, they identify undocumented spec…

Seven species of the crab-spider family Thomisidae from Medog, Xizang, China are described here, including six new species: Camaricus medog Wang, Lu & Zhang, sp. nov. (♂♀), Monaes…

Five new species of the genus Phaenocarpa Foester, 1863 (Braconidae: Alysiinae) are described and illustrated: P. acutidentata Sohn & van Achterberg, sp. nov., P. tacitoides Sohn …

This study presents the first results from the analysis of water mites collected in Portugal as part of the Biodiversity Genomics Europe project. 307 COI DNA barcodes clustered in…

A list of 148 species of megachilid bees from 16 genera and five tribes is reported for the Republic of Dagestan. The list is based on more than 2,500 examined specimens and one r…

Mastigoceras camponoti Handschin, the sole member of its genus and the Mastigocerini tribe, exhibits unusual dorsal chaetotaxy compared to other Orchesellidae. This includes a red…

Limnophilinae crane flies belonging to the genus Adelphomyia Bergroth, 1891 of the Korean Peninsula were studied starting from 1937, but only one species A. macrotrichiata (Alexan…

Weevils represent one of the most speciose and economically important animal clades, but remain poorly studied across much of the Oriental Region. Here, an integrative revision of…

The Afrotropical grasshopper genus Pteropera Karsch, 1891, is reviewed. Some species present in Cameroon are described, Pteropera augustini Donskoff, 1981, is recorded for the fir…

Species of the spider genus Belisana Thorell, 1898 exhibit high diversity in Guizhou, southwestern China. Previously, only eight species of Belisana were recorded in Guizhou. In t…

Based on recent collecting and a synthesis of ~100 years of historical data, 219 caddisfly species are reported from the state of Indiana. Seventeen species are reported herein fr…

The taxonomic study of the Chilean Ennomini genera is still in its early stages. Within this group, the maculation patterns of Chilean species are uniform and often inadequate for…

Amphipods in the parvorder Lysianassidira are scavengers, often collected in sediment, coral rubble, algae, or among other invertebrates. Members of the parvorder have a head that…

Branchiobaetis Kaltenbach, Kluge & Gattolliat, 2022 and Megabranchiella Phlai-ngam & Tungpairojwong, 2022 (Ephemeroptera: Baetidae) are newly recorded in China. Two new species, B…

Enchenopa Amyot & Serville, 1843 is a diverse treehopper genus widespread across the New World. We describe two new Enchenopa species from northwest Ecuador: Enchenopa gennyae sp.…

A new species of Cryptodesmidae, Trichopeltis jiyue sp. nov., is described from the Ailaoshan National Nature Reserve in Yunnan Province, southwest China. The new species is disti…

A new species of the genus Boulenophrys is described from the coastal hills of eastern Fujian Province, China. The new taxon can be distinguished from all recognized congeners by …

An unexpected troglobitic staphylinid is described from a dolomite cave in western China as Domene lizeyui Wang & He, sp. nov. (Coleoptera, Staphylinidae, Paederinae). The habitus…

A new Gekko (subgenus Japonigekko) species, Gekko alpinus sp. nov., is described from the Jinsha River Basin in southwestern China, between the border of Mangkang County, Xizang A…

Palaearctic species of the genus Apsilocera Bouček, 1956 are reviewed. Twelve Palaearctic species are recognized based on females, of which eight new species are described: Apsilo…

The taxonomy of the pill millipede genus Rhopalomeris Verhoeff, 1906, which is restricted to Indochina and currently comprises six described species, is refined and updated. An in…

Two new spider species of the genus Trachelas L. Koch, 1872 are described from China: Trachelas kavanaughi sp. nov. (♀) and Trachelas ventriosus sp. nov. (♀). The male of Trachela…

Historically, for more than one and a half centuries, only one so-called “long-legged bat tick” species, i.e., Ixodes vespertilionis Koch was known to science. However, during the…

Branchinotogluma Pettibone, 1985 is the most species-rich genus within the subfamily Lepidonotopodinae Pettibone, 1983, comprising 18 valid species from chemosynthesis-based ecosy…

Knowledge of the family Assamiidae in the Eastern Himalayas is primarily concentrated from Nepal, while Bhutan, Xizang, and northeastern India remain much less studied. Herein, a …

Labronema Thorne, 1939 is a large and diverse dorylaimid genus with complicated taxonomy. Two new species, Labronema porosum sp. nov. and Labronema bidoupense sp. nov. from natura…

We describe a new plexippine genus, Tenkana gen. nov., supported by phylogenomic data from ultraconserved elements (UCEs), Sanger sequences of four genes, and morphological eviden…

Three new species of Rhogadopsis Brèthes, 1913 (R. clausulata sp. nov., R. obliqoides sp. nov. and R. setosipunctata sp. nov.) are described and illustrated. Rhogadopsis unicarina…

As part of our detailed study of the Caucasian mayfly fauna, we describe Epeorus (Caucasiron) abditus sp. nov., a new species of the genus Epeorus Eaton, 1881, subgenus Caucasiron…

Two new species of the genus Triplophysa from southwestern Guizhou Province, China, are described. These are Triplophysa ziyunensis Wu, Luo, Xiao & Zhou, sp. nov. and Triplophysa …

The ocean remains a reservoir of unknown biodiversity, particularly in the deep sea. Chemosynthesis-based ecosystems, such as hydrothermal vents and hydrocarbon seeps, host unique…

Integrative taxonomic practices that combine multiple lines of evidence for species delimitation greatly improve our understanding of intra- and inter-species variation and biodiv…

This study presents a comprehensive revision of the genus Protoleptops Heinrich, 1967. We describe a new species, P. nyeupe Dal Pos & Di Giovanni, sp. nov., from Burundi, marking …

Four adult females of a rare benthic/epiphytic harpacticoid copepod species of the genus Peltidium Philippi, 1839 were collected from insular zooplankton samples obtained at Revil…

Although Microphysogobio tungtingensis (Nichols, 1926) has been treated valid since it was described, its morphology remains vague, especially when comparing it with another simil…

The Qizimeishan National Nature Reserve is situated in the southwestern region of Hubei Province, adjacent to the northeastern edge of the Yunnan-Guizhou Plateau. A survey of spid…

This study describes a new species, Sinocyclocheilus xiejiahuai sp. nov., discovered within a cave located in Hongguo Town, Panzhou City, Guizhou Province, southwestern China, wit…

Mordellistena peloponnesensis Batten, 1980, previously known from Cyprus and Greece, is reported from Italy and Turkey for the first time. The species is redescribed based on type…

A new species of the Sub-Saharan spider genus Quamtana Huber, 2003 is described that has been collected in garden centers in Poland and the UK. Its closest known relative is proba…

Limnichthys koreanus sp. nov. is described on the basis of the holotype and 11 paratypes from subtidal waters of Seogwipo, Jeju Island, Korea. The new species had previously been …

Four species of the cosmopolitan genus Asaphes Walker, 1834 (Hymenoptera: Chalcidoidea: Asaphesinae, family incerta sedis) are recorded from Xinjiang Uyghur Autonomous Region, Chi…

Opsariichthys iridescens sp. nov. is described from the Qiantang and Oujiang rivers in Zhejiang Province and a tributary of the Yangtze River adjacent to the Qiantang River. It is…