Works on Aquatic Invertebrate Ecology and Behavior

Examination of the syntypes of Metriocnemus volitans Goetghebuer, 1940 revealed that these specimens belong to the genus Chaetocladius and are not con-specific with Gymnometriocne…

Eostrobilops humicolus Páll-Gergely & Hunyadi, sp. n. is described from Guangxi Province, China. It is characterized by the combination of a small shell (diameter: 2.3–2.4 mm), st…

Two species of corophiine amphipods from Songkhla Lake, in the lower Gulf of Thailand, are described and illustrated. Chelicorophium madrasensis (Nayar, 1950), found in the mangro…

A new species of freshwater crab, Potamonautes isimangaliso sp. n., is described from the western shores of False Bay, Hluhluwe, within the iSimangaliso Wetland Park, South Africa…

New species are described in the genera Wormaldia (Trichoptera, Philopotamidae) and Drusus (Trichoptera, Limnephilidae, Drusinae). Additionally, the larva of the new species Drusu…

Newly obtained and previously published sequences of the cytochrome c oxidase subunit I (COI) gene were analyzed to examine the biogeographic assembly of the caenogastropod fauna …

The collection of the Southeast Asian tree snail genus Amphidromus Albers, 1850 at the Natural History Museum, London includes more than 100 lots of type specimens representing 85…

Two new species of the genus Zospeum Bourguignat, 1856 are described from caves in the Sierra de Aitzgorri (Gipuzkoa) and the Sierra Salvada (Burgos) in Northern Spain. The taxa Z…

Bythinella anatolica sp. n., Bythinella istanbulensis sp. n., Bythinella magdalenae sp. n., and Bythinella wilkei sp. n. from western Turkey are described herein. Illustrations of…

A new species of Baetidae, Gratia baibungensis sp. n., is described and illustrated based on nymphal stage collected from the southeastern Tibet (Xizang) and the genus is reported…

The finding of three immature nymphs of Prosopistoma Latreille, 1833 (Ephemeroptera, Prosopistomatidae) in an upstream site of Baishih River represents the first record of this ra…

In total, 435 specimens of the Southeast Asian freshwater leech species within the Hirudinidae family were collected from 17 locations of various types of aquatic habitats in nort…

Three new species of Lumbriculidae were collected from floodplain seeps and small streams in southeastern North America. Some of these habitats are naturally acidic. Sylphella puc…

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…

Two new species of the stonefly genus Neoperla, N. nigromarginata sp. n. and N. similiflavescens sp. n., are described from Dabie Mountains of Central China in the Liankangshan Na…

We describe two new species of springsnails (genus Pyrgulopsis) for populations from the middle Fork and upper East Fork of the Gila River Basin (New Mexico) that had been previou…

Based on historic collections and new material from Sumatra and Java, the species Rhithrogeniella ornata Ulmer, 1939, type species of the genus Rhithrogeniella, is reinvestigated.…

The pulmonates represent an important component of land snail biodiversity in a wide range of habitats across Borneo. Despite their presence in many ecosystems, the diversity of t…

Gammarus Fabricius, 1775 is the largest genus in the family Gammaridae and most species inhabit freshwater and exhibit high regional endemism. To date, 12 freshwater Gammarus spec…

Cuc Phuong National Park is located along a range of limestone karst mountains in northern Vietnam and spans over an area of 222 km² mainly covered by tropical evergreen forest. W…

The distribution and ecological preferences of the rare water flea Ovalona karelica (Stenroos, 1897) (Crustacea, Branchiopoda, Cladocera) were analysed for the first time for Euro…

Plecoptera (stoneflies) are an ancient order of aquatic insects that serve as vital bioindicators in freshwater ecosystems. This study focuses on the Greater Khingan Mountains in …

The recent status of the family Heteroceridae in Siberia is discussed and the main references are given. From ten species of the Heteroceridae, which have been reported for the fa…

This study presents the first comprehensive survey of fish species’ diversity and distribution in the Algeti River and its reservoir in Georgia, a region within the Caucasus biodi…

Chaetophiloscia hastata Verhoeff, 1928 is recorded from Saskhori limestone quarry (Mtskheta municipality, eastern Georgia). This is the first confirmed record of the gen…

Aquatic shredder insect diversity declines latitudinally toward the equator, contrary to the general latitudinal biodiversity gradient. Shredder diversity along tropical elevation…

The use of toothbrushes and similar devices for sampling diatoms from hard surfaces is a well-established approach. Toothbrushes are routinely cleaned and reused when sampling for…

An overview of boring Australian Eophliantidae is provided along with the description of two new species of the genus Bircenna Chilton, 1884, B. thieli sp. nov. and B. hinojosai s…

The mite harvestmen of the genus Karripurcellia Giribet, 2003 are endemic to the tall, wet eucalypt forests of south-western Western Australia, a region known as a hotspot for bio…

The larva of Isoperla orobica Ravizza, 1975, an endemic Alpine species, is described with information about the distribution and ecology in Switzerland. New barcodes were generate…

Cloeon vanharteni Gattolliat & Sartori, 2008 was newly discovered in the framework of our study of Ephemeroptera in the Draa basin, located in the southern region of the High Atla…

The Draa river basin is located south of the High Atlas Mountain rangee in Morocco. The Ephemeroptera (mayflies) fauna of its three sub-basins: the High, Middle, and Lower Draa ar…

A new species of Baetidae, Alainites siamensis sp. nov., is described from Thailand. This new species is closely related to Alainites lingulatus Tong & Dudgeon, 2000, Alainites la…

Cincticostella tornata, a new species of Ephemerellidae, is described from China. It belongs to the insolta-species group and is closely related to C. femorata. It is hitherto onl…

Both molecular and morphologic characters support the reinstatement of Leuctra biellensis Festa, 1942 as a valid species distinct from Leuctra nigra (Olivier, 1811). Genetic dista…

A description of the male adults of five Chaetocladius s. str. species (C. castellae sp. n., C. lencioniae sp. n., C. lodscrozetae sp. n., C. macunensis sp. n. and C. muttensis sp…

The raccoon Procyon lotor is an invasive alien carnivorous mammal whose impact on populations of native species in Europe is poorly understood. Raccoon populations are rising both…

The alien species Macrobrachium nipponense (De Haan, 1849), known as the oriental river prawn, has been identified in the Bulgarian part of the Lower Danube for the first time, ba…

The Rocky Mountain ridged mussel (Gonidea angulata) is a bivalve species whose Canadian range is limited to the Okanagan Valley, British Columbia. In 2019, conflicts between habit…

We assessed the usefulness of Cladocera remains for establishing the ecological status of oxbows and also tested the association of Cladocera species with various vegetation types…

The Erhard’s wall lizard Podarcis erhardii (Bedriaga, 1886) was first recorded on the tiny rocky islet of Spanopoula, near Kea (Aegean Archipelago, Greece), in 1980. Since then, t…

Invertebrate predation on amphibians is widespread, although unreported in Europe. Here, we present documented predation of the Karpathos water frog (Pelophylax cerigensis) by the…

Hydrological droughts driven by climate change threaten freshwater biodiversity, including relatively immobile bivalve fauna, unable to escape from air-exposed areas. Furthermore,…

After Chelicorophium curvispinum, C. sowinskyi, and C. robustum, recently the fourth Ponto-Caspian filter feeding corophiid (C. maeoticum) has colonized the lower section of the R…

Invasive alien species achieve their success through a set of traits that give them a fitness advantage over other species. Many of them are characterised by a generalist diet wit…

The Chinese pond mussel (Sinanodonta woodiana) is a highly invasive freshwater bivalve, recognised for its broad host range and ecological plasticity. Its obligate parasitic larva…

The widespread distribution of invasive species inevitably leads to the emergence of a new category of biotic relationships: interspecific predatory interactions between invasive …

The invasive amphipods Dikerogammarus villosus, D. haemobaphes and Pontogammarus robustoides, which originate from the Ponto-Caspian region, are amongst Europe’s most ecologically…

Biotic interactions of invasive and native species are one of the main drivers of declining freshwater biodiversity. The recent population declines of sunbleak (Leucaspius delinea…

Invasive non-native species are an important cause of biodiversity loss, particularly in fresh waters. The mosquitofish Gambusia holbrooki are among the world’s worst invasive spe…