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A new species of semiterrestrial freshwater crab is described from Tapah Hills in Peninsular Malaysia. Geosesarma wongi sp. nov. is the 13th member of the genus reported from the …

A new skink species, Sphenomorphus tamchucensis sp. nov., is described from Ninh Binh Province, northern Vietnam, based on morphological and molecular evidence. The new species ca…

As part of a series of investigations on earthworm diversity conducted in northeastern China in recent years, a new species, Amynthas dandongensis Han & Zhao, sp. nov., has been d…

We describe a new species of Xestochironomus Sublette & Wirth, 1972 and provide notes on X. luteifurcatus Sublette & Wirth, 1972 from the Dominican Republic. The adult male and fe…

A revision of Chrysso O. Pickard-Cambridge, 1882 sensu lato is presented based on specimens collected from China. A new genus, Megama gen. nov., is established, based on Meg. deci…

This study reports the discovery of four new benthic harpacticoids from Korean waters in the Pacific Ocean. The harpacticoids were collected using SCUBA or a grab sampler and sort…

Two new species from the genus Metopiellus Raffray, 1908 (Staphylinidae, Pselaphinae, Metopiasini) are described from both sides of the Ecuadorian Andes: Metopiellus palamaku sp. …

The crab-eating fox, Cerdocyon thous, is the most broadly distributed native canid in South America, occupying a wide range of ecosystems from open savannas to dense tropical fore…

Three species, Cerodontha (Dizygomyza) flavilunulata sp. nov., C. (D.) granditerga sp. nov., C. (D.) tumefacta sp. nov., are new to science, and four species, C. (Cerodontha) flav…

Xanthephialtes Cameron, 1906 (Hymenoptera, Ichneumonidae, Pimplinae) is a small Afrotropical Darwin wasp genus with only two previously known species, for which we provide images …

Four species of the genus Cloeon have previously been reported in Thailand: C. bicolor Kimmins, 1947, C. bimaculatum Eaton, 1885, C. harveyi (Kimmins, 1947) and C. marginale Hagen…

This study describes Semioscopis sinicella Wang, Zhu & Xiao, sp. nov. of the genus Semioscopis Hübner, 1825 (Lepidoptera, Depressariidae) from China. The new species is similar in…

Sudan’s unique biogeographic position at the Afrotropical-Palearctic interface, coupled with the ecological gradient of the Nile River, fosters a diverse odonate fauna. Despite th…

A new species Cheironitis van Lansberge, 1875 (Cheironitis aiweiae sp. nov.), is described from Shiren Gou, Urumqi, in the XinJiang Uygur Autonomous Region of China. Cheironitis m…

Five new species of the trapdoor spider genus Latouchia Pocock, 1901 are described from southern China based on both morphological and molecular evidence: L. jihe sp. nov. (♂♀), L…

The little-known subgenus Lagria (Lagriella) Borchmann, 1916 is characterized by pronounced sexual dimorphism, notably manifested in apterous females. In this paper, the Asian spe…

A new species of the genus Mesochra Boeck, 1865 was collected from mangrove habitats at the estuary of the Vu Gia–Thu Bon river system, central Vietnam. Mesochra vietnamica sp. no…

Two new species of hypselostomatid land microsnails, Hypselostoma pongrati Tanmuangpak & S. Tumpeesuwan, sp. nov. from Nong Bua Lamphu Province and H. sichomphuense Tanmuangpak & …

The accurate classification of Neotropical deer is essential for effective conservation strategies; however, many species within the genus Mazama remain taxonomically unresolved d…

A new species of polychaete worm, Melinnopsis nathanieli sp. nov. (Annelida, Melinnidae), is described from the Porcupine Abyssal Plain in the northeast Atlantic at ~4850 m depth.…

A new ostracod species, Heterocypris exodonta Bonilla-Flores & Karanovic, sp. nov. is described from a high-altitude temporary pond near Nam Co, Southern Tibetan Plateau. Detailed…

Four new crane fly species of the subgenus Tipula (Vestiplex) Bezzi, 1924, T. (V.) apteroides sp. nov. (Yunnan), T. (V.) bidentata sp. nov. (Sichuan), T. (V.) spinaventralis sp. n…

The Drawida japonica (Michaelsen, 1892) species complex is a cosmopolitan earthworm group that is widely distributed throughout Asia, and has a high degree of diversity. Nonethele…

Scutigeromorph centipedes are morphologically distinctive myriapods that have historically received limited scientific attention, particularly in China. The taxonomy of the genus …

The genus-level classification of the ant subfamily Ponerinae (Hymenoptera: Formicidae) is revised based on a comprehensive phylogenomic analysis of more than 2,300 ultraconserved…

A synopsis of the species of the genus Zaitzevia Champion, 1923 from Shaanxi Province (China) is provided. Five new species are described: Z. coronifer sp. nov., Z. disparilis sp.…

Reports of cases of cryptic and pseudocryptic speciation have increased in the last decade among marine invertebrates thanks to the use of integrative taxonomy that combines all a…

A new monstrilloid copepod species, Cymbasoma stricturum sp. nov., is described and illustrated on the basis of adult females from the Pearl River estuary, northern South China Se…

In this paper, Mimogeniates margaridae Martínez (Scarabaeidae, Rutelinae, Geniatini) is synonymized with Leucothyreus noctivagus Ohaus (syn. nov.). Hence, the monotypic genus Mimo…

Three species of Signiphoridae are recorded from the Xishuangbanna Rainforest (China, Yunnan). Chartocerus menglaensis sp. nov. is described as new to science. Chartocerus niger (…

The spider genus Pholcus Walckenaer, 1805 exhibits high diversity in eastern Sichuan, China, and 19 species have been recorded in this area so far. In this study, two additional n…

The genus Miccolamia Bates, 1884 from China is revised. Sixteen species or subspecies of the genus are recognized (eight previously described and eight new): Miccolamia savioi Gre…

Prior to this publication, six species of microcaddisflies in the genus Rhyacopsyche (Trichoptera: Hydroptilidae) had been recorded from Ecuador. Herein, we describe five new spec…

Waterfalls have not been thoroughly studied as a habitat for freshwater macroinvertebrates, although they appear to be an exclusive environment for taxa with traits suited to thes…

The caddisfly genus Atopsyche (Trichoptera: Hydrobiosidae) in Peru currently includes 12 species, three of which occur only in Peru. Herein, we describe and illustrate seven new s…

Based on previously published species accounts and collection records of the authors, a county-level distributional checklist of all 220 caddisfly species documented within Florid…

Two new species of Hydroptilidae, Neotrichia baja sp. nov. and Ochrotrichia rivasi sp. nov., are described from the Baja California peninsula, Mexico. New country records for Mexi…

The Amazon is one of the most diverse biomes on Earth, and most of its area is in the territory of Brazil. Even though it harbors most of Earth’s diversity, species remain to be d…

Undergraduate research groups can face challenges in their involvement in multi-year or long-term research projects in maintaining momentum for projects, keeping consistency among…

Four microhabitats within pools (cobbles, sand, leaf litter, and bank vegetation) and one microhabitat in riffles (cobbles) were sampled in both rainy and dry seasons to identify …

Understanding the spatial patterns of energy flow from mountain streams via emerging aquatic insects remains limited due to a lack of empirical data. Upon emergence, adult flying …

Diet is known to be a major factor in the gut microbiome of many groups of insects. Larvae from the insect order Trichoptera have varied feeding behaviors, encompassing all functi…

The adult stage of Trichoptera is valuable for assessing the biotic integrity of streams; however, it is not clear which specific metric(s) have the greatest value for doing so. I…

Seven new species in the caddisfly family Philopotamidae are diagnosed, described, and illustrated from Ecuador, three in the subfamily Chimarrinae: Chimarrhodella spinosa sp. nov…

Five new species of the genus Cranopygia Burr, 1908 are described and illustrated from South China: Cranopygia kongqueshana sp. nov., Cranopygia lisu sp. nov., Cranopygia longibif…

Eleven new species of Dalodesmidae (Diplopoda, Polydesmida) are described: Araneopedis porchi gen. nov. et sp. nov. (type species), A. bogong sp. nov., A. buffalo sp. nov., A. dar…

Glaridoglanis verruciloba sp. nov. is described from the Zayul River in southeastern Tibet, China. It has long been misidentified as G. andersonii. This new species is diagnosed b…

A list of 184 species of megachilid bees from 19 genera and five tribes is reported for the Nakhchivan Autonomous Republic of Azerbaijan. The list is based on 2,099 examined speci…

During a Chiroptera resource survey conducted in 2023 on the Pamir Plateau of China’s Xinjiang Uygur Autonomous Region, two adult male bat individuals were captured. External morp…

The bandfish genus Owstonia Tanaka, 1908 shows high diversity, with many new species described recently by Smith-Vaniz and Johnson (2016). However, not many Taiwanese materials we…