Works in Indian Ocean

The Malagasy Camponotus edmondi species group is revised based on both qualitative morphological traits and multivariate analysis of continuous morphometric data. To minimize the …

The Litophyton species of the Red Sea and the western Indian Ocean are revised, which includes species previously belonging to the genus Nephthea, which is synonymized with Litoph…

The transversely-dividing flabellids consist of five genera (Truncatoflabellum, Placotrochides, Blastotrochus, Placotrochus, and Falcatoflabellum) and 45 species. A dichotomous ke…

The status of Indo-Pacific Briareum species (Cnidaria, Octocorallia, Briareidae) is reviewed by presenting their sclerite features and habitus descriptions. Following the re-exami…

During a plankton sampling programme around Al-Wajh area, Saudi Arabian coast of the northern Red Sea, a copepod Calanopia thompsoni A. Scott, 1909 (Calanoida: Pontellidae) was re…

The Afrotropical flea beetle genus Notomela Jacoby, 1899 is reviewed. Notomela joliveti sp.n. from Principe Island is described. The following new synonymies are established: N. c…

The African species of the genus Laccophilus Leach, 1815, are revised, on the basis of study of adult specimens. In all, 105 species are now recognized. A phenetic character-analy…

The Australian species of the sphecid wasp genus Sphex are revised. Thirty-five species are recognized, of which 11 are new: Sphex argentatissimus, S. brevipetiolus, S. caelebs, S…

All species of Filistatidae occurring in Iran are surveyed. Zaitunia akhanii sp. n. is described on the basis of female specimens collected in Tehran province, and the previously …

In this study we revise the taxonomy of the genus Prionopelta for the Malagasy region, treating seven species, six of which are newly described (P. laurae sp. n., P. seychelles sp…

Synonymy of two Arabian Monomorium Mayr, 1855 species is proposed: M. exiguum Forel, 1894 = M. desertorum Collingwood & Agosti, 1996, syn. n.; M. subopacum Smith, 1858 = M. mintir…

A new scleractinian coral species, Cyphastrea kausti sp. n., is described from 13 specimens from the Red Sea. It is characterised by the presence of eight primary septa, unlike th…

The genus Trigonopterus Fauvel, 1862 is highly diverse in Melanesia. Only one species, Trigonopterus amphoralis Marshall, 1925 was so far recorded West of Wallace’s Line (Eastern …

Three new spider species are described from Iran: Anemesia koponeni sp. n. (♂, Cyrtaucheniidae); Raveniola mazandaranica sp. n. (♂, Nemesiidae) and Sahastata sinuspersica sp. n. (…

Simultaneous multiple infestation of parasitic crustacean species involving a cymothoid isopod, Cymothoa frontalis Milne Edward, 1840 and four species of copepods such as Lernanth…

A new species of marine interstitial wormshrimp, Ingolfiella maldivensis, is described from coral sand on the inner and outer reef off Magoodhoo island, Faafu atoll, Maldives. Six…

The taxonomy of the genus Proceratium Roger is updated for the Afrotropical region. We give an overview of the genus in the region, provide an illustrated identification key to th…

The calanoid copepod, Acartia bispinosa Carl, 1907, is reported for the first time in the Red Sea, where it is found to be an important copepod in the mesozooplankton community st…

Despite the Central Indo-Pacific (CIP) and the Indonesian Archipelago being a well-known region of coral reef biodiversity, particularly in the ‘Coral Triangle’, little published …

The recent dry phase experienced by the St Lucia estuarine system has led to unprecedented desiccation and hypersaline conditions through most of its surface area. This has change…

A new scleractinian coral species, Pachyseris inattesa sp. n., is described from the Red Sea. Despite a superficial resemblance with some species in the agariciid genus Leptoseris…

Sarandibrinus araceliae, a new genus and species of the Saprininae subfamily is described from southern Madagascar. The new taxon exhibits autapomorphic characters for the Saprini…

The East Mediterranean species of Orthomus Chaudoir, 1838 are revised. The type series of Feronia longula Reiche & Saulcy, 1855, F. berytensis Reiche & Saulcy, 1855, F. proelonga …

DNA barcoding studies utilising COI gene sequences have been widely applied in insect taxonomy for two decades and remain so. Barcode reference libraries are a valuable molecular …

Water birds serve as particularly valuable indicators of wetland health since wetlands provide critical feeding, foraging, nesting, roosting and breeding habitats for these specie…

Obeza nigromaculata (Cameron, 1884) is recorded for the first time from South America and Colombia, in a cacao-producing agroecosystem of the south-eastern region of the country. …

La Réunion Island (Mascarene Archipelago, south-western Indian Ocean) hosts a largely introduced ant fauna, shaped by historical and ongoing human-mediated introductions. Despite …

Three new chitons are reported from distinct and underexplored marine habitats: Ferreiraella populi sp. nov. from deep-sea sunken wood off Japan in the western Pacific, Notoplax m…

Despite centuries of exploration, marine invertebrate biodiversity remains notably under-described. The majority of species in major marine groups are still unnamed, limiting our …

Diplotaxis (Brassicaceae) is a genus widely distributed in the temperate areas of Europe, Asia and Africa, reaching its greatest diversity in NW Africa, Cape Verde and the Mediter…

Phloeosinus deleoni Blackman, 1942 (Coleoptera, Curculionidae, Scolytinae) is a bark beetle for which limited information exists regarding its ecology, distribution and host range…

In the summer of 2024, a study was conducted on Terceira Island in the Azores Archipelago, Portugal, aiming to characterise the vertical diversity and spatial distribution pattern…

Tropical dry forests (TDF) are amongst the most important tropical biomes globally, recognised for their remarkable biodiversity. This biome features a favourable climate and high…

Paso Centurión is one of the most diverse areas of Uruguay. It is legally protected at local and national level, however, there are different interests competing for its land use …

DNA metabarcoding of zooplankton samples is well suited to surveys of marine pelagic ecosystems; however, consistent amplification across zooplankton groups cannot be assumed when…

In this contribution, we present the first annotated catalogue of type material deposited at the Crustacea collection of the Museum of Nature Hamburg, Leibniz Institute for the An…

The Nicobar Archipelago, a biodiversity hotspot in the Bay of Bengal, harbours several poorly studied and endemic reptile lineages. Several species of snakes from these islands ar…

We present Part I of an annotated catalog of types in the Annelida collection of the Museum of Nature Hamburg, Leibniz Institute for the Analysis of Biodiversity Change. Part I in…

Leptoconops (Holoconops) beccus sp. nov. is described from India after molecular and morphological data. Both sexes of the new species were fetched from Digha, the coastal region …

A new monotypic Australian genus in the orb-weaving spider family Araneidae Clerck, 1757 is described, Venomius gen. nov., with V. tomhardyi sp. nov. as type species. Somatically,…

The new Australian orb-weaving spider genus Leviana gen. nov. is described to include five species, all known from both sexes: Leviana dimidiata (L. Koch, 1871) comb. nov. (type s…

The new genus Hortophora in the orb-weaving spider family Araneidae Clerck, 1757 is established to include 13 species from the Australasian-Pacific region, with ten species known …

Many regions of the world remain unexplored in terms of the tardigrade diversity, and the islands of the Indian Ocean are no exception. In this work, we report four species of the…

Scorpions have always inspired fear and fascination because of the potency of their venoms. Although this ancient arachnid group is relatively small (ca. 2400 species) and has bee…

As part of a current revision of the Australasian and Pacific orb-weaving spider fauna (family Araneidae Clerck, 1757), a number new combinations are proposed in the genera Acroas…

The wolf spider (Lycosidae Sundevall, 1833) genus Artoria Thorell, 1877 is revised for New South Wales and the Australian Capital Territory, Australia, to include 34 species, 21 o…

Two new species in the tube-web spider genus Ariadna Audouin, 1826 (Segestriidae Simon, 1893) are described from South Australia based on morphological features of both males and …

Nine new species of goblin spiders are described in six different genera: Cavisternum bom n. sp., Grymeus dharmapriyai n. sp., Ischnothyreus chippy n. sp., Opopaea spinosiscorona …

Spiders of the genus Desis Walckenaer, 1837 (Araneae: Desidae) are water-adapted spiders and live in the intertidal zone on reefs, marine debris and under rocks. Here, we describe…

Chile has a large number of wetlands that offer a wide variety of refuges and food to waterbird assemblages. This research hypothesises that these assemblages differ according to …