Pensoft Publishers

A new scorpion species, Androctonus najdensis sp. nov., is described and illustrated from Saudi Arabia. It is compared with existing species from the Middle East and Iran, notably…

Hydrothermal vent ecosystems are expected to harbor numerous meiobenthic animals; however, few studies have examined the species composition, abundance, and distribution of harpac…

This study describes two new species collected from deep-sea environments in the Indo-West Pacific. Hyalonema (Cyliconema) dexiangi sp. nov., collected from the Indian Ocean, is c…

To advance the limited understanding of the East Asian Elasmopus fauna, field surveys were conducted in Japan and South Korea. In the present study, a new species, E. lumbiniger s…

The external male genitalia of 21 Chinese species of the genus Zeugophora (subfamily Zeugophorinae) are compared. A key is compiled to Chinese Zeugophora species based on external…

The geometrid moth Drepanogynis insciata (Felder & Rogenhofer, 1875) has been known only from two specimens in the Natural History Museum, London, UK: the holotype male collected …

Six melandryid species, including three new species, Phloiotrya similis sp. nov., Melandrya bifasciata sp. nov., and Phloeotrinus elongatus sp. nov., and three new provincial reco…

The octocoral genus Pseudothelogorgia van Ofwegen, 1994 has presented taxonomic challenges since its original description, with its higher-level placement uncertain and obscured b…

A new genus Shuqiangius Wang, Marusik & Yao, gen. nov. is described. It comprises the type species Shuqiangius rarobulbus (Lo, Cheng & Lin, 2024), comb. nov. (♂; Taiwan, China) an…

Munidopsis species represent some of the dominant macrobenthos in cold seep habitats of the northern South China Sea. Earlier studies documented high abundances of M. verrilli Ben…

Freshwater leeches of the genus Helobdella Blanchard, 1896 (Annelida: Clitellata) are widely distributed in the New World, with most of the species occurring in the neotropics and…

Solenogastres (Mollusca, Aplacophora) are a unique and understudied group of marine invertebrates of evolutionary and ecological significance. Their diversity remains underestimat…

Donacia koreana sp. nov. is described from South Korea, with detailed descriptions and illustrations of both the adult and larval stages. A key for species identification, distrib…

A new species of the demersal calanoid copepod genus Pseudodiaptomus is described from specimens collected from the Great Barrier Reef, Australia. This species most closely resemb…

The Tui Chubs, Siphateles spp., are found widely across the Great Basin and in some adjacent regions. Nearly all diversity of Siphateles has been consolidated under the name S. bi…

The genus Yufengus gen. nov. is established for a new species of Limacodidae, Y. atrophaneuroides sp. nov. Yufengus is from Taiwan, yet its larva is similar to monkey-slug caterpi…

The genus Plotina Lewis, 1896 (Coleoptera, Coccinellidae, Plotinini) is distributed in the Oriental region. To date, eight species have been described, all of which are currently …

The genus Euryobeidia Fletcher, 1979, is reviewed based on morphological characters and available molecular data of cytochrome c oxidase subunit I. Four new taxa of this genus are…

This work aims to update the systematics of silverfish of the subfamily Heterolepismatinae (Zygentoma, Lepismatidae) based on morphological and molecular data of new taxa from the…

Two new species of Galendromimus Muma are described based on female and male specimens collected from native plants in the Atlantic Forest of Bahia State, northeastern Brazil: Gal…

Two new species of the genus Zalonema Cobb, 1920 were identified during a meiofaunal survey of mangrove sediment in China. Zalonema eurysbucca sp. nov. is characterized by body le…

A new species of the genus Leptobrachella, L. darongshanensis sp. nov., is described from the Darongshan Nature Reserve, Yulin City, Guangxi, China, integrating molecular, morphol…

Extensive convergence led to poorly understood systematics of stick insects (Phasmatodea) in the past. Both Sceptrophasma bituberculatum and Macellina souchongia belong to the tri…

Hard coral species in the agariciid genus Pavona are common in shallow and mesophotic coral reef communities across the Indo-Pacific, but their taxonomy has long been overlooked. …

The genus Hemicyclops Boeck, 1873 is known for its association with various marine invertebrates, including cnidarians, crustaceans, polychaetes, and sponges, with some species al…

One new species of Pseudopoda Jäger, 2000 is described from Guangxi, southern China: P. rongxianensis sp. nov. Additional materials of P. deformis Gong & Zhong, 2023 and P. spiral…

Camponotus and Colobopsis are two species-rich genera within the ant tribe Camponotini. Despite their non-sister phylogenetic relationship, pronounced morphological convergence ha…

Costa Rica is one of the most biodiverse countries in the world, hosting almost 4% of all known mammals. Although the local mammals have undoubtedly been more investigated than th…

Two new species of the genus Glaucocharis, Glaucocharis weii Li & He, sp. nov., and G. pangda Li & He, sp. nov., encountered in the primaeval forests of southern Xizang of China, …

The new genus Chicosa gen. nov. (type species: Alopecosa cinnameopilosa (Schenkel, 1963) is described and the new combination Chicosa cinnameopilosa (Schenkel, 1963), comb. nov. i…

The Neotropical Clistopyga henryi species-group includes currently four described species. In this study, we describe two new species (C. peruandina Sääksjärvi & Pádua, sp. nov. a…

The present study reports three new species of Psilogamasus. Among them, one species, Psilogamasus brachysaccatus Jin & Yao, sp. nov. from the Xizang Autonomous Region, China, was…

The symphylans from Chongqing, Southwest China were investigated and studied for the first time. Four new species of the genus Symphylella, S. obtusa sp. nov., S. yintiaolingensis…

We describe a new plexippine genus and new species, Phenasurya daeng gen. et sp. nov., with a striking red face, from Thailand. Its placement within Plexippina is supported by ult…

This study presents the first inventory of Hydradephaga beetles from the Iberá wetlands, a natural reserve located in the province of Corrientes, Argentina. A total of 80 taxa wer…

Two new species of the genus Brunettia Annandale, 1910, collected from China, are described as new to science: Brunettia zunyiensis sp. nov. and Brunettia sinensis sp. nov. An upd…

Material collected in 2024 in nine different rivers on the two main islands of Fiji, Viti Levu and Vanua Levu, is the basis for this taxonomic study of mayflies of the Fiji Island…

In this study, a new species, Leptobrachella kungfu sp. nov., from Foshan City, central Guangdong Province, China, is described based on a combination of molecular and morphologic…

The East Asian species of Acicnemis Fairmaire, 1849 (Coleoptera: Curculionidae: Molytinae) are reviewed using a combination of traditional morphological approaches (microscopy, di…

The parvorder Amphilochidira includes 1,152 described species in 24 families. Amphilochidiran amphipods retain many plesiomorphic character states and are thought to represent the…

Since 2010, the Mátra Museum of the Hungarian Natural History Museum has conducted a long-term research program to explore the biodiversity and collect data of selected groups of …

On the basis of molecular and morphological studies of samples collected in China, a new Myotis species belonging to the siligorensis group is described, Myotis kalkoae Tiunov, Ji…

Cryptotermes mobydicki sp. nov. is described from the soldier caste. The soldier is unique among all Cryptotermes species worldwide for its very narrow, elongate head capsule term…

An undescribed taxon of the species-rich genus Nitocra was found during a survey on the harpacticoid copepods from the hyporheic zone in Vu Gia–Thu Bon Rriver, Central Vietnam. Th…

Investigations of material collected by one of us (CS) between May 2017 and November 2023 from 70 localities in Thailand further increases our knowledge of the diversity of the ge…

The riffle beetle genus Zaitzevia Champion, 1923 comprises 29 described species, distributed across Asia and North America. China exhibits particularly high species diversity with…

Metahelotella alatonotata sp. nov. is described from Yunnan, China. Habitus and diagnostic characters of the new species are illustrated. Metahelotella semifulva (Ritsema, 1881) a…

The morphology and molecular phylogeny of the new soil ciliate, Monomicrocaryon trimarginalis sp. nov., which was discovered in the soil of from Gwangdeok Mountain, Hwacheon-Gun, …

Cryptic and pseudocryptic species are common in myrmecophilous insects, making their taxonomic classification complex when based solely on morphology. This is the case for the bee…

Ciriacremum is a genus of Ciriacreminae (Hemiptera, Sternorrhyncha, Psylloidea, Psyllidae) comprising 26 validly described species in the Afrotropical realm and only one in the Ne…