Pensoft Publishers

Knowledge of Thai semislugs remains scarce, especially the dancing semislug genus Cryptosemelus. Prior to the present study, only a single species has been recognized with little …

Neothelaxes pileata Qiao sp. nov., found on Pilea martinii (Urticaceae) in China, is described and illustrated. Neothelaxes Chakrabarti & Quednau is also a new generic record for …

A new genus and two new species of cavernicolous trechines are reported from central Guizhou Province, southwestern China. Haixiaphaenops gen. nov. is established to place a new s…

A review of 16 species of Hesperosoma Scheerpeltz from China is presented. Five new species are described: H. (s.str.) chenchangchini sp. nov. from Yunnan, H. (s.str.) languidum s…

Twenty-nine species are treated, most of which have host caterpillar and food plant records, and all but one are new to science. The first host record for the agathidine genus Amp…

We present a molecular phylogenetic analysis including a survey for overlooked phenotypic characters. Based on both analysis and characters a new cave-dwelling species is describe…

The genus Romaleosyrphus Bigot is reviewed, including the description of seven new species (R. argosi Moran, sp. nov., R. bigoti Moran, sp. nov., R. drysus Moran, sp. nov., R. nep…

This study describes the worker and queen castes of the Neotropical ponerine Corrieopone nouragues gen. nov., sp. nov., an ant from the tropical rainforest in French Guiana. Worke…

Microperus Wood, 1980 ambrosia beetles in Thailand are reviewed. Four species, M. bidentatus sp. nov., M. bucolicus sp. nov., M. globodeclivis sp. nov., and M. serratus sp. nov. a…

Four new species of the jumping spider genus Synagelides Strand, 1906 from Guizhou and Yunnan, China are described: Synagelides angustus sp. nov. (♀), S. latus sp. nov. (♂♀), S. s…

Four new species of the genus Dryadaula Meyrick, 1893 from China are described: Dryadaula auriformis sp. nov., D. flavostriata sp. nov., D. hirtiglobosa sp. nov. and D. securiform…

Four species of the genus Luzonomyza Malloch, 1929 from southwest China are described as new to science: Luzonomyza vittifacies Li & Yang, sp. nov., L. serrata Li & Yang, sp. nov.…

A new species of the harpacticoid copepod genus Esola is described from specimens collected in Rodadero Beach, on Gaira Bay, on the Caribbean coast of Colombia. The species, E. we…

This work includes taxonomic data on four species of oribatid mites of the family Otocepheidae from Yunnan, China. Two new species of the genera Basiceramerus and Eurostocepheus a…

The three genera and four species of Larainae (Elmidae) previously described from Australia are reviewed, and one new genus and seven new species are described: Australara glaiste…

A new species of Diancta of the staircase snail family Diplommatinidae is described from Mt. Savusavu, Vanua Levu Island, Fiji. Due to its left coiling shell and a constriction be…

Two new species, Anaxiphomorpha nonggangensis sp. nov. and Anaxiphomorpha manereserratus sp. nov., are reported from Guangxi Province, China. Descriptions and illustrations for th…

The genus Bagnallella Salmon is restored and given a diagnosis. It takes an intermediate position between Proisotoma Börner and Cryptopygus Willem complexes and is characterized b…

The systematics of four species of the homolodromiid genus Dicranodromia A. Milne-Edwards, 1880, from East Asia and the Philippines is reappraised: D. danielae Ng & McLay, 2005, D…

We describe a new species of the newt genus Tylototriton from Umphang Wildlife Sanctuary, Tak Province, western Thailand based on molecular and morphological evidence and named he…

Nine new species of the orb-weaver spider family Araneidae Clerck, 1757 from Menglun Town, Xishuangbanna, Yunnan, China are described: Acusilas tongi sp. nov. (♂♀), Chorizopes yui…

Fourteen symphytognathid species belonging to three genera are examined, including the descriptions of eight new species and two new genera from China, Vietnam, Thailand and Myanm…

Recent integrative investigations of the terrestrial ellobiid genus, Zospeum, have revealed significant findings concerning its Alpine-Dinaric evolution and taxonomy. Due to the e…

Based on the original type material, the nymphal stage of the mayfly Takobia maxillare is redescribed; in parallel, a lectotype is designated. Takobia maxillare is the type specie…

Ptychoptera castor Keresztes & Kappert, sp. nov. and P. pollux Keresztes & Török, sp. nov. both belong to the subgenus Ptychoptera (Paraptychoptera) Tonnoir (1919) and are describ…

The first fossil Archaeidae in Cambay amber from India, of Eocene age, is documented. The inclusion is a spider exuvium and is placed as Myrmecarchaea based on the presence of elo…

Diglyphus species are ecologically and economically important on agromyzid leafminers. In 2018, a thelytokous species, Diglyphus wani Liu, Zhu & Yefremova, was firstly reported an…

The Egyptian fauna of the genus Nemestrinus Latreille, 1802 is revised. In 1967, Steyskal and El-Bialy listed 12 species from the region, but only six species are now recognized. …

The genus Eutrichosomella Girault is recorded for the first time from China (Yunnan Province), and Eutrichosomella yunnanensis sp. nov. (♀, ♂) is described and illustrated. A dist…

A new spionid polychaete, Spio pigmentata sp. nov., is described from the southern and western coasts of Korea. This new species differs from its congeners by the combination of t…

Sixteen known species of the genus Ptychoptera Meigen, 1803 have been recorded from China, of which three occur in Yunnan Province. Herein, two new species from Yunnan, P. cordata…

Here, I report a new species of the genus Neohagenulus Traver, 1938 from the Dominican Republic. The genus was believed to be endemic to Puerto Rico until now. Neohagenulus hodece…

The species of the genus Hylcalosia Fischer, 1967 (Braconidae: Alysiinae) from South Korea are revised. One species, Hylcalosia bicolor sp. nov., is new to science. They are descr…

Two new species of Limnichidae beetles, Byrrhinus negrosensis sp. nov. and Byrrhinus villarini sp. nov., are described from the Island of Negros in the Philippines. The adult spec…

An addendum to the recent checklist of the Chrysididae from Mongolia is given. Examination of old museum material and recently collected specimens has led to the discovery of eigh…

A taxonomic revision of the genus Cenophengus LeConte, 1881 (Coleoptera: Phengodidae) is provided, including new data on geographic ranges of the species. This is the first time t…

We diagnose and describe four new species of Portia Karsch, 1878 and describe for the first time the male of P. zhaoi Peng, Li & Chen, 2003 from China based on morphological chara…

A new species, Epeorus (Caucasiron) hyrcanicus sp. nov., is described based on larval morphology and molecular data (COI) containing sequences from all Caucasian Caucasiron specie…

A new species of the orbiniid genus Phylo Kinberg, 1866, P. heterochaetus sp. nov., is described based on material collected from the northern Yellow Sea, China. This is the thirt…

Material collected between 2006 and 2016 in Borneo, Sulawesi, and New Guinea further increased our knowledge of Labiobaetis Novikova & Kluge in these regions. Five species were pr…

Sinopoda yichangensis Zhu, Zhong & Yang, 2020 was described from a single male from Qiaoliao Village, Hubei Province, China. To date, no additional specimens have been recorded. T…

The genus Petta Malmgren, 1866 is a small and poorly known genus of the annelid family Pectinariidae Quatrefages, 1866. A previous revision of the genus found that the type materi…

The aim of this study is to review the family Behningiidae and Potamanthidae in Thailand. Two genera and three species of Behningiidae are recognised: Protobehningia merga Peters …

An overview of the Estonian terrestrial isopod fauna is given, based on literature data and material collected from 1984 to 2021. The identified material consisted of 10915 specim…

Based on 261 female specimens of the genus Dipara Walker, 1833 from leaf litter samples of the Kakamega Forest in Kenya, we describe the following twelve new species: Dipara andre…

Material of the giant pill-millipede genus Zephronia Gray, 1832 recently collected from Thailand contains three new species: Zephronia enghoffi sp. nov., Zephronia golovatchi sp. …

Globally, South Africa ranks in the top five countries regarding marine species richness per unit area. Given the high diversity, it is not surprising that many invertebrate taxa …

Freshwater habitats, especially cold springs, are environments in which the risk of extinction faced by organisms remains high due to human activities. To conserve endangered spec…

A new species of the frog genus Rana sensu lato from Wuyi Mountain, Fujian Province, China is described. Molecular phylogenetic analyses clustered the new species into the R. john…

The primarily Afrotropical genus Euprosthenops Pocock, 1897 is recorded in the Western Palearctic for the first time. A diagnosis and an illustrated description of E. insperatus s…