Overview of the Caucasian Perla Geoffroy, 1762 (Plecoptera: Perlidae) based on morphological and molecular data with description of two new species.

Six species of Caucasian Perla are reviewed, and diagnostic morphological characteristics of all stages of development (where possible) are described, supplemented, and illustrated in detail with comparative light microscope and scanning electron microscopy images. The DNA barcoding of five species is presented. Two new morphologically and genetically distinct species, Perla schapsugica sp.

Review of archaic nymphomyiids (Diptera, Nymphomyiidae) of the Russian Far East and bordering territories, with describing of new taxa and DNA barcoding of known species.

Nymphomyiidae from the Russian Far East and bordering territories are revised, including data on taxonomy, redescriptions, and results of DNA barcoding. Nymphomyia orientalis sp. nov.

Morphological description and DNA barcoding of Diamesa achipseensis sp. nov. (Diptera: Chironomidae: Diamesinae) from Southwestern Caucasus.

Illustrated description of adult male, as well as DNA barcoding, of Diamesa achipseensis sp. nov. in comparison with close related species D.

Smittia solominae sp. nov. (Diptera: Chironomidae: Orthocladiinae), living on ice of high mountain glaciers of the Elbrus Region (North Caucasus).

Illustrated morphological description with a study of DNA barcoding and biology of adult male, pupa and larva of Smittia solominae sp. nov., living on the ice surface of glaciers at an altitude of about 3000 m above sea level in the Elbrus region of the North Caucasus is given.

New deep-sea species of (Nematoda, Leptosomatidae) from the North-Western Pacific: an integrative taxonomy and phylogeny.

Marimermithid nematodes parasitising invertebrates are mainly found in the deep-sea environments. Several adult and juvenile specimens marimermithids of the genus have been found in bottom sediments and inside Polychaeta during recent cruises to the Kuril-Kamchatka trench and the Kuril Basin (the Sea of Okhotsk). New species are described based on integrative study.

Two new chironomid species of the genus Pseudokiefferiella Zavel (Diptera: Chironomidae: Diamesinae) from the Amur River basin of Russia.

The adult male, pupa, larva with DNA barcoding of Ps. matafonovi sp. nov.

A report on the complete mitochondrial genome of the trematode Odhner, 1911, its new definitive host from the Russian Far East, and unexpected phylogeny of Azygiidae within Digenea, as inferred from mitogenome sequences.

New data on the complete mitochondrial genome of (Azygiidae) were obtained by the next-generation sequencing (NGS) approach. The mitochondrial DNA (mtDNA) of had a length of 13 857 bp and included 12 protein-coding genes, two ribosomal genes, 22 transfer RNA genes, and two non-coding regions. The nucleotide sequences of the complete mitochondrial genomes of two specimens differed from each other by 0.

Review of subfamily Prodiamesinae (Diptera: Chironomidae) from the Russian Far East and bordering territory.

Based on material from the Russian Far East and Eastern Siberia, a revision of the chironomids of the subfamily Prodiamesinae was carried out. A new species Monodiamesa fontinalis sp. nov.

Fauna and taxonomy of Diamesinae (Diptera, Chironomidae) from the Caucasus, with a morphological description and DNA barcoding of new taxa and a discussion of diagnostic problems for Diamesa Meigen and Pseudodiamesa Goetghebuer.

As a result of the revision of adult males as well as available literature data, 26 species of the subfamily Diamesinae are registered for the Caucasus, belonging to 5 genera. Four species are recorded for the first time for this region, one species, D. elbrusica sp.

Taxonomy of Diamesa steinboecki group (Diptera: Chironomidae: Diamesinae), with description and DNA barcoding of known species. II. Subgroups davisi, leona and loeffleri.

Illustrated redescription of the adult males Diamesa alpina Tokunaga from the Russian Far East and North America, D. amplexivirilia Hansen from Arctic and the Russian Far East, D. saetheri Willassen from Chukotka Region and Kolyma River basin, D.

Taxonomy of Diamesa steinboecki group (Diptera: Chironomidae: Diamesinae), with description and DNA barcoding of new species. I. Subgroups steinboecki and longipes.

The results of a revision of the Diamesa steinboecki group, namely soubgroups steinboecki and longipes (Diptera, Chironomidae, Diamesinae) are presented. Illustrated descriptions of the adult male of D. dragani sp.

Chironomids are commensals of the larvae and pupae of Blephariceridae and Simuliidae from the North Caucasus (Diptera: Chironomidae: Orthocladiinae).

Illustrated morphological descriptions of chironomid larvae from subfamily Orthocladiinae Cardiocladius sp. 1, which as commensals live between ventral suckers of Blephariceridae larvae, as well as larvae and pupae of Eukiefferiella claripennis group inhabited of Simuliidae pupal cocoons, are given. DNA barcodes of these chironomid species and sequences of their hosts, three species of Liponeura Loew (Blephariceridae) and one species of Simulium aff.

Morphological description of a new species of Capnia (Plecoptera: Capniidae) with DNA barcoding of genus members from the Russian Far East.

Capnia yavorskayae, a new species of the stonefly family Capniidae, is described from the Low Amur River Basin, Khabarovskiy Kray of the Russian Far East, on the basis of female morphological features. Confirmation of the uniqueness of the new species was also molecularly compared to other Capnia, including a few Far Eastern species, C. aligera Zapekina-Dulkeit, C.

Redescription of the Caucasian endemic Diamesa caucasica Kownacki et Kownacka (Diptera: Chironomidae: Diamesinae).

Diamesa caucasica Kownacki et Kownacka was described from the watercourses of the Terek River basin flowing down from the high mountain glaciers of the Caucasus (alt. 20002700 m a.s.

Characterization of complete mitochondrial genome and ribosomal operon for Park, 1938 (Digenea: Haploporidae) by means of next-generation sequencing data.

We obtained new data on the complete mitochondrial DNA (mtDNA) and the ribosomal operon of the trematode (Digenea: Haploporata: Haploporidae), an intestinal parasite of , using next-generation sequencing. The mtDNA of . contained 13,965 bp, including 12 protein-coding genes, two ribosomal genes, 22 transport RNA (tRNA) genes and a non-coding region.

Baetis majus sp. nov., new species of mayfly (Ephemeroptera: Baetidae) from Far East of Russia.

A new species, Baetis majus Tiunova sp. nov., is described and illustrated based on larvae and reared adults discovered in the Russian Far East.

New species and findings of emPagastia/em Oliver (Diptera: Chironomidae: Diamesinae) from Central Asia, with DNA barcoding of known species of the genus.

Chironomids of the genus Pagastia Oliver (Diamesinae, Diamesini) from the mountains of Central Asia are revised using both morphological characters and molecular data. Illustrated descriptions of the adult male Pagastia (P.) caelestomontana sp.

First next-generation sequencing data for Haploporidae (Digenea: Haploporata): characterization of complete mitochondrial genome and ribosomal operon for Parasaccocoelium mugili Zhukov, 1971.

The first data on a whole mitochondrial genome of Haploporidae, Parasaccocoelium mugili (Digenea: Haploporata: Haploporidae) was generated using the next-generation sequencing (NGS) approach. We sequenced the complete mitochondrial DNA (mtDNA) and ribosomal operon of Parasaccocoelium mugili, intestine parasite of mullet fish. The mtDNA of P.

Review of the genus Shilovia Makarchenko (Diptera: Chironomidae: Diamesinae: Boreoheptagyiini) from the mountains of Central Asia, with morphological description and DNA barcoding of known species.

Chironomids of the genus Shilovia Makarchenko (Diamesinae, Boreoheptagyiini) from the mountains of Central Asia are revised using both morphological characters and molecular data. Illustrated descriptions of the adult male Shilovia xinhuawangi sp. nov.

Complete mitochondrial genomes of the Arctic charr Linnaeus (Salmoniformes: Salmonidae).

The complete mitochondrial genomes were sequenced in three individuals of Arctic charr . The genome sequences were 16,655 and 16,657 bp in length, and the gene arrangement, composition, and size are very similar to the charr genomes published previously. The difference between the three genomes studied is low, 0.

Complete mitochondrial genome and phylogenetic position of the Levanidov's charr Chereshnev, Skopetz et Gudkov, 1989 (Salmoniformes, Salmonidae).

The complete mitochondrial genome was sequenced in Levanidov's charr . The genome sequences are 16,624 bp, and the gene arrangement, composition, and size are similar to the charr genomes. The level of divergence between and charr belonging to the genus was in the range from 4.

Fostering Attachment Security: The Role of Interdependent Situations.

This work adopts an Interdependence Theory framework to investigate how the features of interdependent situations that couples face in their daily life (i.e., situations in which partners influence each other's outcomes) shape attachment security toward their current partners.

Baetis (Rhodobaetis) molecularis sp. nov., a new mayfly species (Ephemeroptera: Baetidae) from the Russian Far East.

A new species Baetis (Rhodobaetis) molecularis sp. nov. is described and illustrated based on larvae and reared adults from the Far East of Russia.