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The legless anguid lizard Dopasia Gray, 1853 is one of the most secretive and least studied lizard groups. Historically, two Dopasia (Squamata: Anguidae) names have been applied t…

The genus Hexanchorus Sharp, 1882 is represented in Bolivia by one species, H. tibialis Hinton, 1935. A series of this species was originally collected by Germain in the Yungas of…

The taxonomic classification of oysters, particularly within the genus Saccostrea, remains poorly resolved due to limitations in traditional morphological and single-gene approach…

The Philippine archipelago is renowned for its exceptional biodiversity and high endemism, particularly among amphibians and reptiles. Samar Island, the third largest in the count…

We describe Coleophora cytisicolella sp. nov. (Lepidoptera: Coleophoridae), a new species from material collected in Austria and Hungary during recent fieldwork. The collected spe…

The plant bug genus Tinginotum Kirkaldy is reviewed from Vietnam. Four species are recognized, including a new species, Tinginotum linhi Kim, Chérot & Jung, sp. nov., and new dist…

Two species of Tetragnatha Latreille, 1804 are described, including one new species, Tetragnatha tricuspidata sp. nov. (♀♂) from Sichuan and Shaanxi Provinces, and one Chinese new…

We describe Rineloricaria harenae sp. nov., a sand-dwelling armoured catfish from the Itapocú River, Jaraguá do Sul, Santa Catarina, Brazil. The new species is diagnosed by a dist…

Aristotelia Hübner, [1825] (Lepidoptera, Gelechiidae, Aristoteliinae) is a widely distributed moth genus comprising 153 described species, many of which have striking forewings. T…

A new species of the genus Karschia Walter, 1889, Karschia (Karschia) baii sp. nov., is described from northwest China. We provide a detailed morphological description, diagnostic…

Small carpenter bees (Ceratina) are a morphologically diverse group of bees with a cosmopolitan distribution. The ~370 species of this group have been further classified in 25 dif…

Neobythites nanhaiensis sp. nov., a new cusk eel species from the South China Sea, is described based on 14 specimens collected at a depth of 400 m near Nan’an Reef. This species …

A new species of rain frog from the upper montane forest of the eastern Andes in the upper Pastaza watershed, Ecuador is described. Pristimantis fergusoni sp. nov. is characterize…

A small waterfall in Yunnan Province, China, was sampled for heptageniid nymphs and an unknown species was found, which is characterised by having expanded femora and short tibiae…

A new species of Paranemachilus, Paranemachilus nonggangensis sp. nov. is described from the Zuojiang river basin, a tributary of the Pearl River system. The new species can be di…

The genus Parazygiella Wunderlich, 2004 is recorded from China for the first time, with two new species described here from Xizang: Parazygiella jianxini Mi & Wang, sp. nov. (♂♀) …

Morinia zhenhang Fu, Xue & Cui, sp. nov. (振航墨粉蝇) collected from Beijing, China, and Pollenia yuensis Fu, Xue & Cui, sp. nov. (豫粉蝇) collected from Henan Province and Beijing, China…

The identity of Glaphyrus festivus Ménétriés, 1836, is evaluated in the Turkish and Armenian populations. Two new species, G. neglectus Ghrejan, Kalashian & Sabatinelli, sp. nov. …

Sericopimpla Kriechbaumer, 1895 (Hymenoptera, Ichneumonidae, Pimplinae) is a moderately large Darwin wasp genus distributed mostly in the Paleotropics and Australasian region. Her…

Symphylans are soil-dwelling arthropods that can cause significant damage to agricultural crops, particularly pineapple. Despite their economic importance, their taxonomy and biod…

As part of our Neotropical Dyopsinae Project, a revision of the Neotropical genus Sosxetra Walker is proposed. Morphological and molecular evidence challenge its previous monotypi…

Two new species of Margarinotus Marseul, 1854 from southern China are described herein: Margarinotus (Grammostethus) mazuri sp. nov. and Margarinotus (Ptomister) deficiens sp. nov…

The uncertain taxonomic identity and provenance of the gecarcinucid karst crab Parathelphusa (Liothelphusa) nobilii Colosi, 1920 is resolved through the examination of historical …

Orionis coxator (Belokobylskij, 1995) (Hymenoptera: Braconidae: Euphorinae: Perilitini) was reared from an individual of Apterygida tuberculosa Shiraki, 1928 (Dermaptera: Forficul…

An integrative analysis revealed a new species of the Hemiphyllodactylus typus group collected from local house walls and surrounding karst formations in Pa Kha 1 Village, Long Ph…

Two new species of the genus Sineuchiloglanis are described from two tributaries of the upper Yangtze River, China. These two new species can be distinguished from all congeners b…

New Caledonia is a biodiversity hotspot with high levels of micro-endemism, yet its gracillariid fauna remains poorly documented. Here, two new species of Caloptilia Hübner, 1825 …

Data on 14 species of the genus Colletes Latreille, 1802 collected in the Nakhchivan Autonomous Republic of Azerbaijan in 2018–2025 are provided. Among them, Colletes perplexus sp…

Based on morphological and molecular analyses, a new species of Hemiphyllodactylus is described from Son La Province, northern Vietnam. Hemiphyllodactylus ziegleri sp. nov. differ…

Aegla expansa was described from an exoskeleton by Jara (1992). The type specimen (holotype) of the species was obtained from the hamlet of La Leonera, approximately six km east o…

Although the subtribe Cristariina in China has been recently revised, taxonomic problems remain. This paper addresses these by describing a new species, Cristaria liboi Chen, Xian…

The silk-loving bug Monteithophila hainanensis sp. nov. (Hemiptera, Heteroptera, Plokiophilidae) is described from Hainan, southern China, where it was found on the webs of Spinat…

The ecological and biogeographic limits of arid-adapted reptiles in the Eastern Mediterranean remain poorly understood. Here, we document the first confirmed occurrence and geneti…

The Neotropical genus of myrmecophilous beetles, Ecitonides Wasmann, 1894 (Staphylinidae: Paederinae: Lathrobiini), currently includes nine valid species distributed in French Gui…

A new valviferan isopod—Edotia dotiae sp. nov.— is described from the shallow coastal waters of Argentine Patagonia. The specimens were collected during three different expedition…

Balitora tiandengensis (Teleostei, Balitoridae), a new species collected from a karst cave at Dukang Town, Tiandeng County, Guangxi, China is described and illustrated on the basi…

Recently, a new monotypic geometrid moth genus and species, Mirlatia arcuata Hausmann, László, Mayr & Huemer, 2023, were described from Croatia. The description was based on a sin…

The Cape Floristic Region (CFR) of South Africa is globally recognized for its exceptional biodiversity and endemism, but despite extensive floral studies, its phytophagous insect…

The genus Nesaulax Roman, 1914 (Hymenoptera, Braconidae, Braconinae) is reported from China for the first time, and a new species (Nesaulax protuberator Li & van Achterberg, sp. n…

In this study, two new species, Armascirus kuandianensis Chen & Jin, sp. nov. and A. stellatus Chen & Jin, sp. nov. are described and illustrated based on females. Additionally, a…

The ascalaphid genus Deleproctophylla Lefèbvre is a characteristic element of insects from dry, warm grasslands across the Palaearctic, currently comprising five described species…

The Echinorhynchidae has a long research history, but its mitochondrial genome evolution remains poorly understood, hindering phylogenetic resolution. In this study, we report the…

Boreus (Mecoptera, Boreidae) species are reviewed. Two new Alaskan species are described (Boreus tananaensis Kane, sp. nov., Boreus timaryi Kane, sp. nov.), a previously synonymiz…

In this study, the taxonomic status of the Lucanus kanoi species complex is examined through a comprehensive systematic revision, and the phylogenetic relationships among its cons…

The family Atyidae, the world’s largest family of freshwater shrimps, is represented in Europe almost exclusively by subterranean species. The Dinaric Karst of the northwestern Ba…

Four new species, Elachista silfverbergi sp. nov. from Ethiopia and Kenya, E. griseifrons sp. nov. from Ethiopia, E. levis sp. nov. from Tanzania, and E. conica sp. nov. from Ethi…

A new species of Leptobrachella is described from the coastal forest of Deo Ca Mountain in Dak Lak Province, Vietnam, based on morphological differences and genetic divergences in…

This study presents the first comprehensive mitochondrial genome analysis of three Chironomidae genera, including sequencing, assembling, and annotating mitogenomes from two Parac…

The genus Laureola Barnard, 1960 comprises twelve species distributed across the Afrotropical, Australian, and Oriental regions. In this study, we describe Laureola volamuca Zong,…

The genus Ussurohelcon Belokobylskij is recorded for the first time from Vietnam with six new species described and fully illustrated: Ussurohelcon hatinh Long, sp. nov., U. hagia…