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Dexopollenia guangxiensis Liu, Li & Yao, sp. nov., Dexopollenia chongqingensis Liu, Li & Yao, sp. nov. and Xanthotryxus huapingensis Liu, Li & Yao, sp. nov. from the Guangxi Zhuan…

Within the diverse genus Lasioglossum, the subgenus Eickwortia as currently understood, encompasses three characteristic species from mountainous areas in Mexico and Central Ameri…

In the eastern Great Lakes region of North America, two tiger swallowtail species have previously been recognized, Papilio glaucus Linnaeus, 1758 and Papilio canadensis Rothschild…

In the search for specific natural enemies to control two invasive aquatic plants (IAP) from South America, Ludwigia grandiflora subsp. hexapetala (Onagraceae) and Myriophyllum aq…

The Gaoligong Mountains lie at the intersection of three global biodiversity hotspots. In recent years, with the continuous deepening of fieldwork in the region, studies have incr…

A new species of deepwater tilefish, Branchiostegus sanae sp. nov., is described based on five specimens collected from the area between the Xisha Islands and Hainan Island, China…

Microgastrinae is a megadiverse subfamily of wasps in the family Braconidae. As parasitoids of caterpillars, members of the subfamily play important roles in regulating native cat…

Material from the type localities of most described species of Papuanatula and rich material newly collected across New Guinea and on the island Sulawesi form the bases for this c…

Agathomerus Lacordaire and A. pulcher Lacordaire are redescribed, and three new species of the genus are described: Agathomerus magdalenae sp. nov., A. espinosaorganistai sp. nov.…

Two new species of the wolf-spider genus Hippasosa Roewer, 1960 are described from Asia: Hippasosa thailandica sp. nov. (♂) from Thailand and H. yunnanensis sp. nov. (♂♀) from Chi…

A new species of the genus Scincella Mittleman, 1950 is described from northern Vietnam based on morphological and molecular evidence. Scincella truongi sp. nov. is characterized …

Eucyclops speratus (Lilljeborg, 1901) (Copepoda, Cyclopoida, Cyclopidae) was studied using various methods. Molecular genetic methods (comparison of COI and ITSn molecular markers…

The species of the genus Megadrypta Sciaky & Anichtchenko, 2020 are reviewed. A new species M. maozhoui sp. nov. is described from Sichuan and Yunnan provinces, China (type locali…

Mutatus gen. nov. is described from southwest China, including four new species: M. gelao sp. nov. (♂♀, Guizhou Province), M. tianyan sp. nov. (♂♀, Hubei Province), M. tujia sp. n…

Ladybird beetles (Coleoptera, Coccinellidae) are a species-rich, ecologically diverse and economically important group of insects. A new ladybird genus of Scymnini, Reniscymnus ge…

Taxonomic notes on the genus Apiocephalus Gahan, 1898 are provided. The genus is newly recorded in China with the description of a new species, Apiocephalus yangmingae sp. nov., f…

The systematics of humble-in-appearance brown spiders (“marronoids”), within a larger group of spiders with a modified retrolateral tibial apophysis (the RTA Clade), has long vexe…

A taxonomic review of the seashore-inhabiting Medon Stephens along the East Asian coasts is presented based on morphological and molecular characters (COI). Specimens of Medon cal…

The number of amphibian species described yearly shows no signs of slowing down, especially in tropical regions, implying that the biodiversity of amphibians remains woefully unde…

A new species of the Cnemaspis siamensis group is described from Wang Khrachae District, Kanchanaburi Province, western Thailand based on morphological and molecular data. The new…

A field study of spatial activity and sheltering behaviour of terrestrial isopods was carried out using Porcellio scaber and Armadillidium versicolor, two model species of woodlic…

Pitfall traps containing a fixative solution are commonly used by ecologists to study ground-dwelling invertebrates. The effect of the solution on the animals being caught is a fr…

A new species of terrestrial isopod, Porcellio aguerensis Orihuela-Rivero, sp. nov. of the family Porcellionidae (Oniscidea), is described from the laurel forest of Tenerife, Cana…

Cytheridella whitmani Martens, sp. nov. is described from lakes on Cape Cod (MA, USA). The species differs from its congeners mainly by the shape of the female carapace and by the…

This study presents data on soil campodeids collected in Romania and Bulgaria in recent years. The collection comprises 12 species of genus Campodea Westwood, 1842 in total. A new…

The mitochondrial genome of three Trachemys medemi was sequenced and annotated for the first time. The mitochondrial genome is a circular DNA molecule of 16,711–16,810 bp in size,…

The emission of calls is one of the most distinctive and important reproductive traits in anurans. Given the biological significance of vocalizations, this trait is also useful fo…

Mainland Southeast Asia, also known as Indochina, is recognized as a global biodiversity hotspot for freshwater mussels, hosting a significant number of species and exhibiting hig…

Two new species belonging to the corticalis group of the sac spider genus Clubiona Latreille, 1804 are described from both males and females: Clubiona longyangensis sp. nov. and C…

Two new species, Veraphis odaesanensis sp. nov. and Veraphis myeonggiensis sp. nov., of the ant-like stone beetle, are described from the Korean Peninsula. The Korean fauna of Ver…

A new species of cirri-bearing eel, Cirrhimuraena taiwanensis sp. nov. (Anguilliformes, Ophichthidae), is described based on a specimen collected from the estuary of the Langyang …

This study describes Morimotobathynella koreana sp. nov., the first new species of Bathynellidae family reported in East Asia since 2000, and it presents the first molecular analy…

Two new species of the genus Psen Latreille, 1796, namely Psen fronistriatus sp. nov. and Psen scabrosus sp. nov. are described and illustrated from China. A key to the Chinese sp…

The Great Lakes spiny reed frog (Afrixalus lacustris) was recently described from transitional (submontane) forests at mid-elevations of the Albertine Rift mountains in the easter…

Megamelus is a genus of Delphacidae widely distributed and mostly associated with plants in freshwater environments. Despite various taxonomic revisions and thorough research, the…

Four Yunohamella species are reported from Hubei Province, China, including two new species: Y. gutenbergi R. Zhong, J. Liu & Hu, sp. nov. (♂) and Y. mohorovicici R. Zhong, J. Liu…

Taxonomic notes on the genus Spinosodus Breuning & de Jong, 1941 are presented. The genus Bulbolmotega Breuning, 1966 is synonymized with Spinosodus, and Bulbolmotega sumatrensis …

Herein, we describe a new species of Plectranthias perchlet found at depths of 100–125 meters in mesophotic coral ecosystems of the Maldives in the Indian Ocean. Plectranthias rak…

Oiketicoides gohadoensis Roh & Lee, sp. nov. is described as new to science. The morphology of male adult, including genitalia, is described, and DNA barcodes for precise identifi…

A new supergiant species of Bathynomus A. Milne-Edwards, 1879 from Vietnam is described. Bathynomus vaderi sp. nov. is characterised by its wide, rectangular clypeal region with p…

Two new species of Diploexochus are described, Diploexochus cacique sp. nov. from Cerro Bañaderos in Hatonuevo, La Guajira, and Diploexochus troglobius sp. nov. from Roca Madre Ca…

Two new species of the dragon millipede genus Hylomus Cook & Loomis, 1924 are described from mountainous areas in northern Vietnam, namely Hylomus piccolo sp. nov. and Hylomus bor…

The family Dalodesmidae Cook, 1896 in the fauna of Madagascar is reviewed and shown to presently encompass eight species in three genera: Dalodesmus Cook, 1896 (six species), Eutu…

A new forest-dwelling species of the Cyrtodactylus chauquangensis group is described from southwestern Yunnan Province, China. Phylogenetically, it was recovered as the sister spe…

The riffle beetle genus Sinonychus Jäch & Boukal, 1995 (Elminae, Macronychini) includes only three species from East Asia. In this paper, two new species, S. lipinae sp. nov. and …

The ant genus Zasphinctus are fascinating ants due to their distinctive morphology, ecology, and rarity. In this study, a comprehensive revision of Zasphinctus in the Afrotropical…

The orb-weaver spider genus Yaginumia Archer, 1960 from China is revised, and three species, including two new species, are recognized: Y. medog Mi & Wang, sp. nov. (♂♀) from Xiza…

This study describes a new species of Polyxenida from China, Lophoturus sineprocessus sp. nov., along with a species newly recorded from China: Eudigraphis nigricans (Miyosi, 1947…

A comprehensive revision is presented of the Oriental and Australasian diving beetle genus Sandracottus Sharp, 1882 (Coleoptera: Dytiscidae: Dytiscinae: Aciliini) and seven junior…

The methane seeps on the Pacific margin of Costa Rica support extensive animal diversity and offer insights into deep-sea biogeography. During five expeditions between 2009 and 20…