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Material collected between 2000 and 2014 on the island Borneo, including the Indonesian province of Kalimantan, the Malaysian province of Sabah and Brunei Darussalam, substantiall…

Thirty-one new species of the genus Leclercera Deeleman-Reinhold, 1995 from China, Indonesia, Malaysia, Myanmar, Nepal, and Thailand are described: L. mianqiu sp. nov. (♂♀), L. th…

The south-east coastal area of Fujian, China, belongs to the Oriental Realm, and is characterized by a high insect species richness. In this work, a new species of Hymenopteran pa…

Ancyronyx clisteri sp. nov. (Coleoptera, Elmidae) a new spider riffle beetle discovered from northern Borneo (Brunei; Sabah and Sarawak, Malaysia) and the larva of Ancyronyx saraw…

This publication treats species within Theopea and closely allied genera that were not covered in the previous two revisions. Three species of Theopea Baly, 1864 are treated herei…

In a recent paper (Jenkins Shaw et al. 2020) we stated that the holotype of Amazonothops aslaki would be deposited in the Natural History Museum of Denmark (NHMD). According to th…

In this paper, molecular analyses of Baikal hydras from the ‘oligactis group’, based on COI and ITS1–5.8S–ITS2, and morphological analysis of their holotrichous isorhizas, were pe…

A new genus with a new species Eusarimissus hezhouensis gen. nov. et sp. nov. from Guangxi Province of China are described in the tribe Sarimini of the family Issidae. Molecular s…

Morphology and DNA barcode sequences were used to assess the taxonomic status of a micro-moth of the genus Ithome Chambers, 1875 (Lepidoptera, Cosmopterigidae, Chrysopeleiinae), w…

The primitively segmented spider genus Qiongthela Xu & Kuntner, 2015 consists of seven species that are distributed in Hainan Island, China and southern Vietnam. Of the seven spec…

A new genus of the spider family Deinopidae C.L. Koch, 1850 is described from Asia: Asianopis Lin & Li gen. nov., with A. zhuanghaoyuni Lin & Li sp. nov. as the type species. The …

Phyllodiaptomus (Phyllodiaptomus) roietensis sp. nov. was collected from temporary water bodies in Roi Et and Nakhon Ratchasima provinces in northeastern Thailand and Kampong Thom…

New records of 14 stygobiont crustacean species pertaining to six Malacostraca orders from 32 cenotes are presented, with their associated caves of the state of Yucatan, Mexico, t…

One of the features of the tundra zone is the diversity of freshwater bodies, where, among benthic invertebrates, representatives of Annelida are the most significant component in…

In 2016, the type-material of ten of the 15 Brazilian land planarians (Platyhelminthes, Tricladida, Geoplanidae) described by Schirch (1929) was discovered deposited in the Museu …

A new species of potter wasps, Epsilon similimanasicum sp. nov. is described and illustrated from Zhejiang, China. The holotype specimen of Epsilon subfistulosum (Wickwar, 1908) w…

COI sequences were used as an initial clustering method to delimit putative species of the genus Dudgeodes in the Philippines. An overview of the diagnostic characters of Philippi…

A new species of Cumacea belonging to the genus Eocuma Marcusen was collected from the South Sea of Korea. This new species resembles E. amakusense Gamô, E. hilgendorfi Marcusen, …

The phytophagous hoverfly genus Merodon Meigen, 1803 (Diptera, Syrphidae), which comprises more than 160 species distributed in Palaearctic and Afrotropical regions, can be differ…

Morphological traits are generally indicative of specific taxa, and particularly function as keys in taxonomy and species delimitation. In this study, a non-biting midge species w…

A first breeding record for Sarcophaga (Bulbostyla) cadyi Giroux & Wheeler on the American giant millipede Narceus americanus (de Beauvois) (Spirobolida, Spirobolidae) is reported…

Seven new species of jumping spiders collected from Xishuangbanna Tropical Botanical Garden, China are diagnosed and described: Cytaea tongi sp. nov. (♂♀), Dexippus pengi sp. nov.…

The caddisfly Drusus dudor Oláh, 2017 (Limephilidae: Drusinae) was described from the Northwestern Italian Alps. We provide a detailed description of the larva, based on material …

Sporades jaechi sp. nov. from Poum, New Caledonia is newly described and shown to be a member of the monophyletic Sporades subgenus Perileptosporades Deuve, 2010. Sporades millei …

The species in the subgenus Amegilla (Asaropoda) are revised. Species delineation was decided based on diagnostic morphological characters as well as an incomplete phylogeny based…

A new parasitic species of eulimid gastropod, Haliella seisuimaruae sp. nov., is described from bathyal (728–978 m) waters off the Pacific coasts of Japan. It shows the closest re…

Hoploscopa Meyrick (Lepidoptera: Crambidae) is a fern-feeding genus found in montane areas of South-East Asia and Melanesia, eastwards up to the Samoan Islands. It includes sixtee…

Darlington described Tiferonia based on T. parva from New Guinea. In this review, Tiferonia leytensis sp. nov. is described from Leyte Island, Philippines, Tiferonia schoutedeni (…

A new species of Eumerus, Eumerus druk Smit sp. nov., is described from Bhutan. This species belongs to the bactrianus subgroup of the strigatus species group. Seven species are c…

The non-biting midges, Chironomidae (Diptera), are dominant components of most freshwater ecosystems. Many chironomids construct tubes or cases as larvae out of various materials …

New taxonomic data for species belonging to Araniella Chamberlin & Ivie, 1942 and Neoscona Simon, 1864 occurring in the Caucasus, Middle East and Central Asia are provided. Three …

A new species of Leucosoleniidae, Leucosolenia qingdaoensis sp. nov., is described. This new species was collected in a scallop-breeding pond from the Yellow Sea and preserved in …

This paper reports on a new species of the Baikal endemic sponge (fam. Lubomirskiidae) Swartschewskia khanaevi sp. nov. The description of this species is based on morphological a…

The present study represents an introduction to the revision of Pheidole Westwood, 1839 from Madagascar. Sixteen species groups are established, of which eleven are revised below,…

The Music frog genus Nidirana is widely distributed in East and South Asia. Here, a new species of the genus is described from southwestern China. Phylogenetic analyses based on t…

A new species of Calanoida belonging to the genus Boholina Fosshagen & Iliffe, 1989 was found in a freshwater pool within a cave of the Satun province, South Thailand. It is the f…

A new monotypic genus of Staphylininae Latreille, 1802 tribe incertae sedis is proposed based on Amazonothops aslaki gen. et sp. nov. from the Peruvian Amazon. Descriptions and il…

A reliable taxonomy, together with more accurate knowledge of the geographical distribution of species, is a fundamental element for the study of biodiversity. Multiple studies on…

The world Rhinophoridae are catalogued, recognising 33 genera and 177 species. Nomenclatural information is provided for all genus-group and species-group names, including lists o…

The genus Vietnamella Tshernova, 1972 is investigated in detail for the first time in Thailand. As a consequence, four species are recognized, namely Vietnamella maculosa sp. nov.…

In the present study, populations of small-sized smiliogastrin barbs with a thickened and serrated last simple dorsal-fin ray distributed in the Main Ethiopian Rift were analysed.…

Nebria (Falcinebria) reflexa Bates (Carabidae), a Japanese endemic flightless ground beetle, is geographically polytypic and was thought to be composed of four subspecies (includi…

A new species, Microlicia almedae, is described and illustrated from the species-rich campo rupestre vegetation of Chapada Diamantina, Bahia, Brazil. The taxonomic novelty is morp…

The Zingiberaceae family represents one of the most diverse monocot lineages in tropical Asia; however, the species delimitation of Amomum s.l. remains challenging due to morpholo…

Diplazium velutinum Holttum (Athyriaceae) is a rare endemic fern species originally described in 1937 from Cameron Highlands, Pahang, Peninsular Malaysia. Since its original colle…

As part of the Selaginellaceae treatment on the “Lycophytes and Ferns of Venezuela,” led by Alan R. Smith (UC), ten new Selaginella species from northern South America, primarily …

Timmia is a small moss genus with only eight currently accepted species. However, the boundaries and taxonomic status of some taxa remain uncertain and controversial, which has si…

Fissidens is one of the most diverse genera of mosses in China. Most members of this genus are terrestrial, with a few preferring tree trunks as substrates. Fissidens pokhrensis i…

Oreocharis fulvovillosa, a new species of Gesneriaceae, is described and illustrated. This new species has only been discovered on the rock walls of an isolated karst hill at its …

Primula xingyiensis Z.K.Wu & C.Y.Deng, a new species of Primulaceae from Guizhou, China, is described and illustrated. Morphological evidence places P. xingyiensis within Primula …