Works on Aquatic Invertebrate Ecology and Behavior

A new quadrannulate species of Orobdella, Orobdella ketagalan sp. n., from Taipei, Taiwan, is described. This is the first record of Orobdella and the family Orobdellidae from Tai…

A new Nearctic species of Perlidae (Insecta, Plecoptera), Perlesta ephelida sp. n., is described from the male, female, and egg stages. This species has been previously reported a…

Several Pseudamnicola (Corrosella) populations of the central and eastern Iberian Peninsula have been ascribed to P. (C.) astieri (Dupuy, 1851), though recent evidence demonstrate…

A new sexannulate species of the genus Orobdella Oka, 1895, Orobdella mononoke sp. n., is described on the basis of five specimens collected from Yakushima Island, Japan. Orobdell…

A new species of the corophiid gammaridean amphipod belonging to the genus Sinocorophium Bousfield and Hoover was collected from the lower reaches of the Han River in Gyeonggi-do,…

Ohio is an eastern USA state that historically was >70% covered in upland and mixed coniferous forest; about 60% of it glaciated by the Wisconsinan glacial episode. Its stonefly f…

A new genus and species of pseudosigmurethrous orthurethran pulmonate of the family Cerastidae, Darwininitium shiwalikianum gen. n. and sp. n. is described from the Lesser Himalay…

Three new species of Potamothrix Vejdovský & Mrázek, 1902 (Oligochaeta: Tubificinae), P. praeprostatus sp. n., P. paramoldaviensis sp. n. and P. parabedoti sp. n., are reported fr…

This paper reports on results of several collecting trips of the authors in Turkey. In the course of this research, a long-lasting question was addressed. It could be proven that …

Four new species of genus Plectrocnemia and 4 new species of genus Nyctiophylax are described, namely: Plectrocnemia verticalis sp. n.; Plectrocnemia acuminata sp. n.; Plectrocnem…

A new quadrannulate Orobdella Oka, 1895 species, Orobdella koikei sp. n., is described on the basis of six specimens collected from Hokkaido, Japan. In addition, an emended descri…

A new species Damaeus (Paradamaeus) yushuensis sp. n. is described from Three Rivers’ Headwaters National Natural Reserve, Qinghai province, China. This is the first record of thi…

In order to establish an updated checklist of terrestrial gastropod from Tunisia, a revision of the species of Sphincterochilidae is presented, using bibliographic and museum reco…

A new minute valvatiform species belonging to the genus Daphniola Radoman 1973, Daphniola eptalophos sp. n., from mountain Parnassos, Greece is described. The new species has a tr…

Two new species of black flies, Simulium (Gomphostilbia) roslihashimi sp. n. and S. (G.) lurauense sp. n., are described on the basis of reared adult, pupal and larval specimens c…

New records of torrenticolid water mites (Acari: Hydrachnidia, Torrenticolidae) from Nanshih River, Taiwan, are presented. Two new species are described: Torrenticola nanshihensis…

In urban river systems, fragmentation of habitats and in-stream dispersal barriers play a major role in shaping the population genetic structure of freshwater macroinvertebrate sp…

Chironomidae, commonly known as non-biting midges, are key indicators of the health and biodiversity of freshwater ecosystems. They are also one of the most abundant and diverse g…

The cosmopolitan terrestrial slug, Deroceras laeve (O. F. Müller, 1774), is reported in the Philippines for the first time and characterized through morphology, morphometrics, and…

We report the first finding of Bathynellacea, discovered in Mongolia. We also report a new species of the genus Altainella Camacho, 2020, which was previously recorded only in the…

The genus Pupinidius Möllendorff, 1901 is endemic in China and Nepal and consists of 15 species. China is the distribution centre of it with 12 species being recorded.A new specie…

Hainan Province is an island in the south of China and belongs to the Oriental Region. It has a unique geographical location and superior climatic conditions, providing a good liv…

Arion vulgaris Moquin-Tandon, 1855 is amongst the fastest-spreading terrestrial slugs Europe-wide. In recent years, it has been recorded in Canada, Mexico and continues to expand …

Tibetan Plateau is one of the most typical areas of biodiversity in the world because of its unique environmental and regional units, which breed unique biological communities and…

The genus Illiesonemoura Baumann, 1975 (Plecoptera, Nemouridae) is a small-sized stonefly with slender and curved embranous cerci. Currently, 18 species of the genus are known wor…

Small lowland watercourses, strongly exposed to anthropogenic activities and climate change, have received negligible odonatological attention. This study provides a revised check…

During citizen-science expeditions to the Ulu Temburong National Park, Brunei, several individuals were collected of a semi-slug species of the genus Microparmarion that, based on…

Different from the true oyster (family Ostreidae), the molecular diversity of the gryphaeid oyster (family Gryphaeidae) has never been sufficiently investigated. In the present st…

The existing descriptions of the woodlouse Trachelipus vespertilio are based on a single female collected in Croatia in the nineteenth century. No further information on the occur…

This study provides the first attempt to investigate the molecular diversity of South Caucasian freshwater molluscs (Mollusca, Gastropoda) and lay down the first bricks to build u…

The North Caucasus is an extensive region with a multitude of landscapes and high biological diversity. Amongst various ecosystems, the xerophytic sub-Mediterranean forests of the…

Sweltsa is a genus of green stoneflies in the family Chloroperlidae and is distributed throughout the Nearctic and East Palaearctic Regions. As they are sensitive to pollutants, t…

The Madeira Island (Portugal; 32°24’–33°07’N, 16°16–17°16’W; 796 km2) is an oceanic island located in the North Atlantic, about 980 km south of Portugal and about 700 km west of t…

Glossiphoniid leeches are a diverse group and sometimes abundant elements of the aquatic fauna inhabiting various types of freshwater habitats. In this study, we sampled leeches o…

Two decades have passed since the last checklist of the millipedes in Slovakia. During this time, several new records have been added and taxonomic revisions have occurred. The pr…

Caenis rivulorum Eaton, 1884 is widely distributed and has been reported from a wide range in the Palearctic region.We report this species from Japan for the first time, from five…

The diversity and distribution of freshwater molluscs is poorly studied in the Republic of Georgia, due to the scarcity of field studies during the last 50 years. Here, we present…

Based on a recent field survey in Iraqi Kurdistan and a critical evaluation of previously published data, 37 mayfly species are listed as occurring in Iraq. We collected and ident…

Stoneflies (Plecoptera) are often associated with inhabiting cold perennial streams, but many species also inhabit intermittent streams that experience reduced or lack of flow dur…

Here we present the data obtained from the samples collected in a field campaign during the spring of 2015 which aims for a better understanding of the diversity and distribution …

The present paper includes the results of a year-round pitfall trapping survey of ground beetles in the region of Lake Elton, Volgograd Area, Russia. The main objectives of the pr…

Lacunopsis Deshayes, 1876 is restricted to South Asia and shows a remarkable regional distribution. Fifteen species have been reported from the lower Mekong River area of Laos, Ca…

Amphibolidae is one of the most abundant families of gastropods in estuarine environments of south-eastern Australia. However, the range limits of the species of Salinator, one of…

The first record of the non-indigenous, alien amphipod Grandidierella gilesi in the Lam Ta Khong River is presented. Previously, this Indo-Pacific amphipod had only been reported …

Otesiopsis Habe, 1946 is a land snail genus, which is known so far from Japan and Taiwan. Individuals of this genus were collected from Gageodo Island, South Korea. This is the fi…

The regions of the Black, Caspian, and Azov seas are known for being both (i) the place of extensive crustacean radiation dated to the times of Paratethys and Sarmatian basins, an…

Invasive freshwater species, such as the exotic mollusc Potamopyrgus antipodarum (New Zealand mudsnail), can frequently survive under harsh conditions, including brackish and hypo…

The ecological impacts of invasive species can be severe, but are generally viewed as highly unpredictable. Recent methods combining per capita feeding rates, population abundance…