Works in Malaysia

We present a first record of feeding by the freshwater crab species, Parathelphusa pulcherrima on the frog species Hylarana nicobariensis (Ranidae) from Sabah (Borneo, Malaysia) t…

Three new species of the genus Hutufeideria are described from the Oriental region. The first species, H. perakensis sp. nov., was collected in Malaysia and differs from its conge…

The genus Cardiocondyla Emery, 1869 is a diverse group of ants in the subfamily Myrmicinae, with a total of 89 recognised species and subspecies recorded worldwide. A new species …

A new anchovy species, Stolephorus falco sp. nov., is described based on three museum specimens collected from northern Sumatra, Indonesia. Although the new species resembles S. b…

The uncertain taxonomic identity and provenance of the gecarcinucid karst crab Parathelphusa (Liothelphusa) nobilii Colosi, 1920 is resolved through the examination of historical …

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 …

Three new species of Xylochironomus Cranston are described here based on adult males from the Oriental region, specifically from South China and East Malaysia. The generic diagnos…

Two new species of Phrynarachne, P. gorochovi sp. nov. (♀), from Philippines (Luzon) and P. storozhenkoi sp. nov. (♀) from Malaysia (Borneo) are diagnosed, illustrated and describ…

The crab-spider genera Zametopina Simon, 1909 and Nyctimus Thorell, 1877 remain poorly studied, with significant gaps in their taxonomic understanding. Nyctimus has seen little st…

Gomantong and Madai caves are two of the largest limestone formations with intricate cave systems located in the Lower Kinabatangan and Kunak areas, respectively, in Sabah, Malays…

The wolf-spider genus Draposa Kronestedt, 2010 in China is reviewed. A new combination is proposed: Draposa aciculifera (Chen, Song & Li, 2001), comb. nov. (ex. Pardosa C L. Koch,…

Phylogenetic analyses based on 1459 base pairs of the mitochondrial gene ND2 and its flanking tRNAs indicate that Cyrtodactylus consobrinus from the type locality in Sarawak, East…

Fruit flies of the tribe Dacini (Tephritidae) include many agricultural pests, but also crucial pollinators of orchids and other plants. Surveys for Dacini fruit flies were conduc…

The small microgastrine braconid genus Wilkinsonellus Mason was known previously from parts of the Australo-Oriental region, but it has never been reported from Borneo (Brunei and…

Hypselostomatidae is a large family of terrestrial pulmonate molluscs currently represented by 284 extant species, most confined to Southeast Asia. The current system of grouping …

Three new species of Spartaeini from China and Malaysia are described: Calxattus dengba sp. nov. (♂), Spartaeus siloi sp. nov. (♂♀), and Taraxella chrisfehni sp. nov. (♂♀). Calxat…

This study highlights the diversity of land snails in Penang Hill, a non-limestone hill in Peninsular Malaysia. A systematic survey of land snails in Penang Hill was conducted, in…

The genus Topiris Walker, 1863 is revised. This genus, previously neglected or deemed unrecognisable, comprised only Walker’s damaged and misrepaired type specimen of Topiris cand…

Weevils represent one of the most speciose and economically important animal clades, but remain poorly studied across much of the Oriental Region. Here, an integrative revision of…

We describe a new plexippine genus, Tenkana gen. nov., supported by phylogenomic data from ultraconserved elements (UCEs), Sanger sequences of four genes, and morphological eviden…

Four new species of Marphysa are described from Terengganu state on the east coast of Peninsular Malaysia, using morphological and molecular (cytochrome oxidase subunit I (COI) ge…

The monotypic genus Ogdenia Peckham, 1908, is redefined based on the redescription of the holotype of O. mutilla (Peckham & Peckham, 1907), along with the newly discovered male sp…

The current study presents an annotated checklist of the land snail species in the vicinity of the limestone hill of Gua (= cave) Rumbang, an outcrop located at the district of Pa…

We propose a new genus of plexippine jumping spiders from the Western Ghats of India based on the new species Ghatippus paschima gen. et sp. nov. While it bears a superficial rese…

Alidus signatus Pic, 1926 is transferred from Mispila to Souvanna, and Souvanna signata (Pic, 1926), comb. nov. is proposed. The lectotype of Alidus signatus is designated. The fo…

The genus-level taxonomy of the ant subfamily Leptanillinae (Hymenoptera: Formicidae) is here revised, with the aim of delimiting genus-level taxa that are reciprocally monophylet…

The genus Passiena is recorded for the first time from China with Passiena duani sp. nov. (♂♀) from Guangxi described here. In addition, the male of P. spinicrus Thorell, 1890 is …

Previously, the euthyplociid mayfly from Thailand was reported as Polyplocia spp. without designation to any nominal species. In this study, the genus Polyplocia Lestage, 1921 in …

The genus Afronurus in Thailand is investigated using an integrative approach (morphology based, ootaxonomy and molecular data) for species delimitation. A total of four species o…

This study documents information on the composition, diversity, richness, and temporal occurrence of snakes at Sekayu’s lowland forest (SLF), Terengganu, Peninsular Malaysia for t…

Amphibians of Sekayu lowland forest have been studied more than a decade, with discoveries of new records of species showing no sign of abating between the years 2003 to 2020, ind…

A new species, Tricosa uniseriata sp. nov., is described here. A list of Tricosa species found in Thailand with distributions and an updated key to Tricosa are also provided.

Euborellia (Anisolabididae: Anisolabidinae) is one of the most speciose genera of earwigs (Dermaptera), and its species-level classification is difficult. To settle the classifica…

The snorkel snail genus Rhiostoma Benson, 1860 is comprised of terrestrial cyclophorid snails with wide-ranging species diversity and radiation in Southeast Asia. The typical char…

The microcaddisfly (Trichoptera: Hydroptilidae) fauna is catalogued from a review of more than 1,300 literature citations through the end of 2020 to include 2,665 currently recogn…

A reinvestigation of type and other material of Baetis javanicus Ulmer, 1913 and Baetis sabahensis Müller-Liebenau, 1984, together with new material from Southeast Asia revealed a…

The genus Kelawakaju Maddison & Ruiz, gen. nov., is described for a lineage of bark-dwelling Asian marpissine jumping spiders that represent a dispersal to Eurasia separate from t…

The DNA of Trigonopterus specimens from the Sundaland region stored between ten and 32 years in museums could be used for next-generation sequencing. The availability of their cox…

The millipede genus Malayorthomorpha Mršić, 1996, so far monospecific and previously known only from Park Belum, Perak State, northern Malaysia, is recorded from a mountain in Bet…

Okalia necopinata sp. nov., from Sarawak, northwest Borneo, Malaysia, is described and illustrated along with an identification key. The standard barcoding fragment of the mitocho…

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…

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 …

This study presents a list of land snails and slugs found on limestone hills in the District of Bau, the state of Sarawak in Malaysian Borneo. Systematic and random sampling for l…

The reproductive and developmental characteristics of the nereidid polychaete, Neanthes glandicincta Southern, 1921, commonly recorded in tropical estuaries in the Indo-West Pacif…

The systematics and taxonomy of the tropical Asian jumping spiders of the tribe Baviini is reviewed, with a molecular phylogenetic study (UCE sequence capture, traditional Sanger …

Ancyronyx lianlabangorum sp. nov. (Coleoptera, Elmidae), a new spider riffle beetle from the Kelabit Highlands (Sarawak, northern Borneo), is described. Illustrations of the habit…

The taxonomy of the potamid freshwater crabs of the Johora tahanensis (Bott, 1966) species group (Potamoidea) is revised. Seven species are recognised, all from Peninsular Malaysi…

A herpetofaunal inventory was conducted on Bidong Island, Terengganu, Peninsular Malaysia. It incorporates data from a recent herpetological survey conducted from 1 to 3 April 201…

In this paper, four species of the genus Diduga Moore, [1887] from China (Chongqing and Guangdong) and Malaysia (Borneo, Sabah) are described as new to science, namely D. simiansh…

The Southeast Asian xyleborine ambrosia beetle fauna is reviewed for the first time. Thirty-four genera and 315 species are reviewed, illustrated, and keyed to genera and species.…