Works in Russia

Nannopus palustris Brady, 1880 is considered to be distributed worldwide and is the type species of Nannopus Brady, 1880 that, in turn, is the type genus of the family Nanno…

Lomechusoides umbrosus sp. nov. (Coleoptera: Staphylinidae: Aleocharinae: Lomechusini) is described, a socially integrated myrmecophile associated with Formica polyctena Foerster,…

The article presents an updated checklist and a catalogue of Fulgoromorpha and Cicadomorpha of Lithuania based on analysis of published records, material preserved in available in…

Data on 14 species of the genus Colletes Latreille, 1802 collected in the Nakhchivan Autonomous Republic of Azerbaijan in 2018–2025 are provided. Among them, Colletes perplexus sp…

Three species, Cerodontha (Dizygomyza) flavilunulata sp. nov., C. (D.) granditerga sp. nov., C. (D.) tumefacta sp. nov., are new to science, and four species, C. (Cerodontha) flav…

The East Asian species of Acicnemis Fairmaire, 1849 (Coleoptera: Curculionidae: Molytinae) are reviewed using a combination of traditional morphological approaches (microscopy, di…

A new species of the genus Niphargus Schiödte, 1849 (Crustacea: Amphipoda: Niphargidae) is described from the deep pebble beach interstitial habitats along the northern Black Sea …

Palaearctic species of the sequester group of Pteromalus Swederus, 1795 are reviewed. Three new species, P. boleensis Yan, Li & Tselikh, sp. nov. (Kazakhstan, China), P. longipedi…

The family Macrothricidae (Branchiopoda: Anomopoda) remains one of the least studied groups of water fleas (Cladocera). One of macrothricids with an unclear phylogenetic status is…

In the Afrotropical Region, Sphyracephala beccarii (Rondani) and S. munroi Curran are found, the former just extending into the Palaearctic Region. In the latter region, S. babadj…

The Aranzadi Ringing Scheme (ARS), operated by the Aranzadi Sciences Society, is an official bird-ringing program in Spain. Established in 1949, the data bank of the ARS is publis…

The family Axymyiidae includes four extant genera and nine species known from the Holarctic and Oriental regions, with only one species Mesaxymyia kerteszi (Duda, 1930) occurring …

Eucyclops speratus (Lilljeborg, 1901) (Copepoda, Cyclopoida, Cyclopidae) was studied using various methods. Molecular genetic methods (comparison of COI and ITSn molecular markers…

A comprehensive revision is presented of the Oriental and Australasian diving beetle genus Sandracottus Sharp, 1882 (Coleoptera: Dytiscidae: Dytiscinae: Aciliini) and seven junior…

The relationship of Xylomoia strix Mikkola, 1980; Xylomoia retinax Mikkola, 1998; and Xylomoia stangelmaieri Mikkola, 1998 is reconsidered based on 59 genitalia slides (37 males a…

A list of 148 species of megachilid bees from 16 genera and five tribes is reported for the Republic of Dagestan. The list is based on more than 2,500 examined specimens and one r…

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…

As part of our detailed study of the Caucasian mayfly fauna, we describe Epeorus (Caucasiron) abditus sp. nov., a new species of the genus Epeorus Eaton, 1881, subgenus Caucasiron…

A new species of the genus Acrossus Mulsant, 1842, Acrossus baei sp. nov. from South Korea, is described and illustrated on the basis of morphology and mitochondrial COI sequences…

The genus Salicarus Kerzhner, 1962 is revised, with differential diagnoses and redescriptions provided for nine species. Three distinct species groups were recognized within the g…

Species delimitation presents a significant challenge in biology, particularly in systematics. Here, an integrative approach is employed to assess the species boundaries of widely…

The Palaearctic species of Aphodius Hellwig, 1798, subgenus Liothorax Motschulsky, 1860 are revised using a combination of chromosome analysis, molecular phylogenetics and morphol…

The songs of seven grasshopper species of subfamily Gomphocerinae from Russia, Ukraine, Georgia, and Kazakhstan were studied. We analysed not only the sound, but also the stridula…

A comprehensive overview of the state of knowledge on the Chilopoda Geophilomorpha of the Asian part of Russia is presented, based on the critical revision of all published morpho…

Samples of the holothurian Eupentacta fraudatrix (Djakonov & Baranova in Djakonov, Baranova & Saveljeva, 1958) from the Sea of Japan were studied and the relationships of the gene…

A new theridiid spider, Knoflachia kurilensis gen. et sp. nov., is described from the Kuril Islands (Kunashir). The new genus belongs to the ‘Anelosimus clade (clade 24)’ of Agnar…

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…

Marimermithid nematodes parasitising invertebrates are mainly found in the deep-sea environments. Several adult and juvenile specimens marimermithids of the genus Aborjinia have b…

The present study is an update to the first catalogue of Russian bees published in 2017. For the Russian fauna, five recently described species are reported, as well as 45 species…

Two erigonine genera from East Siberia are synonymized: Uusitaloia Marusik, Koponen & Danilov, 2001, syn. nov. = Dactylopisthoides Eskov, 1990. Two new combinations are establishe…

Species of wolf spiders considered in the Pardosa atrata group are surveyed, and comparative figures of all species included in the group are presented for the first time. A new s…

Previously, seven species of the genus Isonychia Eaton, 1871 were reported in China, but they have never been systematically reviewed. After examining our collections from the Chi…

Two new species of Bryocamptus Chappuis, 1929 from the Russian Arctic from the Bryocamptus minutus species group are described: Bryocamptus putoranus sp. nov. and Bryocamptus abra…

Parisotoma notabilis (Schaeffer, 1896) is one of the most abundant eurytopic species of springtails in temperate regions of the northern hemisphere, and is often used as a model s…

The first data about Sphaeroceridae occurring on eight montane and foothill peat bogs of various types in the North Caucasus (Russia) are presented. A total of 38 species has been…

The bumble bee fauna of the Russian Arctic is rather poorly known. Kolguev Island, a remote insular territory in the Barents Sea, is one of the deficiently studied areas. In this …

We describe a new species of Prosopistoma collected in the High Atlas Mountains of Morocco. Prosopistoma maroccanum sp. nov. appears to be morphologically more similar to the Euro…

Hexatoma Latreille, 1809 is a large genus of short-palped crane flies with a worldwide distribution. Accounting for more than 60 percent of global species, 362 extant species occu…

Medicinal leeches in the genus Hirudo have been utilized for therapeutic procedures for thousands of years. To date, six known species of Hirudo are widely distributed in differen…

This contribution is an update to the 2014 compilation of all supra- and (infra-) specific taxa of extant and fossil Valvatidae, a group of freshwater operculate snails near the b…

A morphological and molecular study of 17 Cylindrotomidae species revealed that the two subspecies of Cylindrotoma distinctissima, the Nearctic C. americana Osten Sacken, 1865, st…

Hirudinea, a small and ecologically important group of aquatic organisms, is poorly studied in northern Eurasia. In this study, we demyth the idea of the faunistic poverty of this…

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…

Gelechia omelkoi sp. nov. is described from the Ukok plateau and South Chuisky ridge in the Altai Mountains of Russia. The adult of the new species, including its male genitalia, …

The diplopod tribe Brachyiulini is represented in the fauna of the Caucasus by eight genera and 32 species, of which one genus and 14 species are described as new: Colchiobrachyiu…

Mohnia kurilana Dall, 1913 was described more than 100 years ago from deep waters off the Kuril Islands and remains exceedingly rare in museum collections. Originally placed in th…

The caucasica species group in the subgenus Lunatipula is redefined and now consists of five species native to the Caucasus. Tipula (L.) eleniya sp. nov. is described as new to sc…

The phylogeny of the carabid beetle supertribe Nebriitae is inferred from analyses of DNA sequence data from eight gene fragments including one nuclear ribosomal gene (28S), four …

The fungus gnats of Georgia are studied based on 2682 specimens collected from 57 localities during 2011–2019. Altogether, 245 species are recorded including four species of Bolit…

The North American fauna of Drymeia Meigen was studied. Four new species are described (Drymeia hucketti sp. nov., Drymeia ponti sp. nov., Drymeia vockerothi sp. nov., Drymeia woo…