Parasitology

ISSN (print): 0031-1847

Media registration certificate: No. FS 77 - 66711 dated July 28, 2016

Founder: Russian Academy of Sciences

Editor-in-Chief: Pugachev Oleg Nikolaevich

Number of issues per year: 6

Indexation: RISC, CrossRef, White List (level 3), Web of science

The journal "Parazitologiya" was founded in 1967.

"Parazitologiya" is the first and leading peer-reviewed scientific journal on parasitology published in Russia.

The aim of the journal is to facilitate parasitology research in Russia and worldwide by providing an efficient, high-quality and modern platform for scientific communication.

The scope of the journal embraces a wide range of parasitological topics, except for highly specialized aspects of medicine and veterinary science.

Biodiversity, distribution and systematics. Descriptions of new species are welcome if they also contribute to some general conclusions.
Wide range of research objects: any parasitic metazoans, fungi and protists, as well as bacteria and viruses — if the study has general parasitological relevance.
Studies on morphology that broaden understanding of form and function in parasitic organisms.
Ecological parasitology, life cycles and transmission pathways of parasites; phylogeography.
Host-parasite interactions at different levels.
Evolution, co-evolution and phylogeny.
General and fundamental questions of parasitology.
Vector-borne diseases with natural reservoirs (if the accent is on parasitology rather than medicine or veterinary science).

The journal is published 6 times a year in Russian and English languages. The name of the English version is Entomological Review.

The journal is presented in many databases, including the Web of Science and RSCI.

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Vol 59, No 6 (2025)

Year: 2025
Articles: 8
URL: https://journal-vniispk.ru/0031-1847/issue/view/25676

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Articles

MYXOSPORIDIANS (MYXOZOA, MYXOSPOREA) FROM PACIFIC SALMON SCALES: CLARIFICATION OF SPECIES AND DISTRIBUTION

Voronin V.N., Polteva A.V., Sokolov S.G., Kamenchenko A.V.

Abstract

Infection of Oncorhynchus keta from Sakhalin rivers with Myxosoma dermatobia (Ishii, 1916) was studied. Evidence is provided that this species is only an eel parasite. For Pacific salmon of the genus Oncorhynchus, Myxobolus salmonis (Hoshina, 1949) from Japan, and Myxobolus squamalis (Iversen, 1954) from the USA and Myxobolus soldatovi Achmerov, 1960 from USSR were previously described. According to the complete similarity and earlier description, Myxobolus salmonis (Hoshina, 1949) should be considered a valid species of myxosporidia parasitizing in the scales of Far Eastern salmon, and M. soldatovi should be considered its synonym. According to molecular genetic data, isolates of myxosporidia from Sakhalin chum salmon and from American rainbow trout are close at the species level.

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Parasitology. 2025;59(6):419–429

419–429

(Rus)

(JATS XML)

SPATIO-TEMPORAL MODELLING OF CLIMATIC SUITABILITY FOR THE EXTRINSIC INCUBATION PERIOD OF DIROFILARIA REPENS IN EURASIAREPENS

Prilepsky Y.O., Konyaev S.V.

Abstract

The zoonotic nematode Dirofilaria (Nochtiella) repens Railliet et Henry, 1911 is expanding its range, with its transmission limited by temperature-dependent development in mosquito vectors. This study models the territorial suitability of Eurasia for completing the parasite’s extrinsic incubation period (EIP), which requires accumulating 130 Dirofilaria development units above +14 °C. Using high-resolution daily temperature data, we calculated the annual number of days suitable for EIP completion. Our findings indicate that the northern climatic boundary for D. repens extends further north than previously known, reaching up to 62° N. Suitability ranges from year-round in southern regions to a limited seasonal window in northern areas, correlating strongly with Köppen-Geiger climate zones. These results provide a critical assessment for predicting range shifts and informing veterinary and public health strategies.

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Parasitology. 2025;59(6):430-446

430-446

(Eng)

(JATS XML)

IXODID TICKS AND THEIR TRANSMITTED INFECTIONS IN SOUTHWESTERN KARELIA (LAHDENPOKHSKY DISTRICT, RUSSSIA)

Bespytova L.A., Belova O.A., Kholodilov I.S., Kuznetsova A.S., Polienko A.E., Bugmyrin S.V.

Abstract

The paper presents new data on the species composition, distribution, and abundance of ixodid ticks of medical significance in the southwest of the Republic of Karelia (Lakhdenpokhsky District). Ticks were collected from vegetation in May–June and August 2015 and 2023–2025. Ixodes ricinus is widespread in the study area and predominates in the ixodid tick collections (94 %), with relative abundances of 0.6 and 2.0 specimens per flag-km in May–June and August, respectively. The second species, I. persulcatus, was recorded only in May–June in the northwest of the district with an abundance of 0.1 specimens per flag-km. Analysis of adult I. ricinus and I. persulcatus ticks for the presence of tick-borne encephalitis virus did not reveal positive results. Thus, the Lakhdenpokhsky region currently remains the only large area where I. ricinus is widespread and dominant. The epidemiological situation in this region is more favorable than in other areas of the republic, due to the low numbers of I. persulcatus and I. ricinus, as well as their infection with pathogens that cause particularly dangerous infections.

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Parasitology. 2025;59(6):447–459

447–459

(Rus)

(JATS XML)

THE DETECTION OF IXODES RICINUS (L., 1758) (ACARI, IXODINAE) ON SREDNY ISLAND OF THE KERET ARCHIPELAGO, REPUBLIC OF KARELIA, RUSSIAN FEDERATION

Samoylova E.P., Grigorieva L.A., Osipova T.N.

Abstract

The detection of 2 nymphs and 3 adult Ixodes ricinus ticks (L., 1758) above the generally accepted northern boundary of the range on Sredny Island of the Keret Archipelago (66°16'50–66°17'55 N, 33°37'50–33°42'40 E) in the Kandalaksha Bay of the White Sea is described. The possibility of the existence of independent populations of the sheep tick in the conditions of the northern taiga is shown on the basis of the temperature needs of ticks for the realization of life cycles, as well as the sum of temperatures for periods with an average daily air temperature steadily above 10 °C and the duration of these periods.

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Parasitology. 2025;59(6):460–472

460–472

(Rus)

(JATS XML)

IXODID TICKS IN THE SUBTAIGA SUBZONE OF THE SOUTHERN TRANS-URALS (KURGAN REGION)

Starikov V.P., Sarapultseva E.S.

Abstract

In the Southern Trans-Urals (Kurgan region), on the territory of the subtaiga, ixodid ticks of small mammals were studied for the first time. Pitfall traps with driving fences and trap lines were used to capture the animals. In just two years of accounting (2021 and 2024), 24860 cone-days and 21413 trap-days were worked out. 1711 animals were counted and analyzed. Ixodid ticks of six species have been recorded on 17 of the 19 species of shrews and rodents: Ixodes persulcatus, I. apronophorus, I. trianguliceps, Dermacentor reticulatus, D. marginatus and D. silvarum in the number of 5490 individuals. Standard parasitological indexes were used. In total, for two years of records, the ticks D. reticulatus and I. persulcatus dominated the territory of the subtaiga. We attribute this to the heterogeneity of the territories, the species composition and the ratio of feeders of the study points in the north of Shatrovsky and north of Kataysky districts. Our opinion on the second territory (the village of Lukina, Kataysky district) differs from the view of geobotanists, and this territory largely has a “forest-steppe” appearance, which could not but affect the ratio of ixodids in the community. The background species of small mammals of the studied territory (the common, Laxmann’s, and Eurasian pygmy shrews and voles – northern red-backed, short-tailed field, common, and tundra - fed the ixodid ticks most fully (all six species). The maximum abundance values for representatives of the genus Ixodes are typical for Myodes voles and shrews; Microtus voles fed more ticks of the genus Dermacentor.

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Parasitology. 2025;59(6):473–486

473–486

(Rus)

(JATS XML)

FLEAS (INSECTA, SIPHONAPTERA) OF MAMMALS IN THE CAUCASUS

Kotti B.K., Ivanov A.L.

Abstract

Mammals of 98 species are the food sources of 124 species of fleas in the Caucasus. The formation of the modern fauna and flora of the Caucasus occurred in the Neogene and Quaternary periods, due to both mesophilic and xerophilic floristic and faunistic complexes. The main migration flows were carried out within the Ancient Mediterranean. In the Pliocene, the Caucasus may have been inhabited by flea species that were parasites of mammals a forest landscapes of Europe, as well as of Western and Central Asia. In the Pleistocene and Holocene, the majority of the xerophilic biocenoses were formed, and the flea fauna was replenished with several semi-desert species. According to the distribution of hosts and vectors, natural foci of plague in the Caucasus may have existed as early as the Pliocene, while those in the Ciscaucasia were formed during the xerothermal epochs of the Quaternary.

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Parasitology. 2025;59(6):487–497

487–497