G I Atrashkevich, E I Mikhailova, O M Orlovskaya, V V Pospekhov
{"title":"[BIODIVERSITY OF ACANTHOCEPHALANS (ACANTHOCEPHALA) IN FRESHWATER FISHES OF ASIATIC SUB-ARCTIC REGION].","authors":"G I Atrashkevich, E I Mikhailova, O M Orlovskaya, V V Pospekhov","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The analysis of taxonomical and ecological diversity of acanthocephalans in fishes of\u0000Asiatic sub-Arctic region freshwaters, summarizing changes in modern views on species\u0000composition, life cycles, and ecology of background groups of these parasites is given.\u0000A priority role of studies provided by O. N. Bauer and his scientific school in organization\u0000and development of these aspects of acanthocephalology is demonstrated. Special attention\u0000is paid to the assessment of acanthocephalan biodiversity of the genus Neoechinorhynchus,\u0000the background group of freshwater fish parasites of the Asiatic sub-Arctic region,\u0000and an original key for their species is given. The distribution of acanthocephalans of the\u0000genus Acanthocephalus in northeastern Asia is analyzed and prospective study of this parasite\u0000group, evolutionary associated with freshwater isopods of the genus Asellus as intermediate\u0000hosts, is outlined. The absence of documented evidences on intermediate hosts of\u0000other background parasites of freshwater fishes in the region, acanthocephalans of the genus\u0000Metechinorhynchus, is revealed. It is assumed that subsequent taxonomic revisions based\u0000both on morphological and molecular genetic studies are necessary for the reliable revealing\u0000of species composition in each genus of the background acanthocephalans from\u0000freshwater fishes of Northern Asia. Theoretical significance of the study of acanthocephalan\u0000life cycles and revealing their natural intermediate hosts for the reliable estimation of\u0000structural and functional organization of their host-parasite systems in different parts of\u0000the range is substantiated and the possibility of the distribution of taxonomic conclusions\u0000in new territories is analyzed. A brief annotated taxonomical list of freshwater acanthocephalans\u0000of the Asiatic sub-Arctic region is given.</p>","PeriodicalId":76305,"journal":{"name":"Parazitologiia","volume":"50 4","pages":"263-90"},"PeriodicalIF":0.0,"publicationDate":"2016-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35315366","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"[SOME FEATURES OF THE BIOLOGY AND PARASITE FAUNA OF THE ARCTIC CHAR (SALVELINUS ALPINUS L.) IN THE LAKE MUSHTALAMPI (NORTHERN KARELIA)].","authors":"B S Shulman, I L Shurov, V A Shirokov","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The native population of the Arctic char in the Lake Mushtalampi was studied. The dwarf form of the Arctic char inhabiting the lake was revealed. The fish is characterized by extremely low growth rate and by early maturation. Twelve parasite species were found in the arctic char. The parasite fauna is typical of representatives of Salmonidae. Distinguishing features of this fauna include the absence of narrowly specialized char parasite species. High intensity of infection with nematodes Philonema oncorhynchi allows estimating the epizootic state of the studied char population as insufficient.</p>","PeriodicalId":76305,"journal":{"name":"Parazitologiia","volume":"50 4","pages":"325-30"},"PeriodicalIF":0.0,"publicationDate":"2016-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35226026","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"[NUMBER DISTRIBUTION AND POPULATION STRUCTURE OF PROTEOCEPHALUS LONGICOLLIS (ZEDER, 1800) (CESTODA: PROTEOCEPHALIDEA), A PARASITE OF SMELT AND COREGONIDS].","authors":"L V Anikieva, E P Ieshko, N V Ilmast","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The spatial structure and seasonal aspects in the number distribution of the cestode\u0000Proteocephalus longicollis population, maintained by trophic connections of specialized\u0000plankton-feeders (the vendace Coregonus albula L. and the smelt Osmerus eperlanus L.)\u0000in the Lake Onego were studied. Differences in the distribution of number of cestode population\u0000in host population, size-age structure, and pre-reproductive/reproductive stages\u0000ratio of the studied parasites were revealed. It was demonstrated that the spatial structure\u0000of P. longicollis was shaped by the specific characteristics of vendace and smelt populations\u0000in the Lake Onego. These species possess partially overlapping ecological niches and\u0000differences in the use of food resources, significantly determining the infection dynamics\u0000of the examined fish species.</p>","PeriodicalId":76305,"journal":{"name":"Parazitologiia","volume":"50 4","pages":"291-302"},"PeriodicalIF":0.0,"publicationDate":"2016-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35315365","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"[RESULTS OF THE STUDY OF GEOGRAPHICAL VARIABILITY OF THE PARASITE FAUNA AND OF THE STRUCTURE OF COMPONENT COMMUNITIES OF MINNOW PHOXINUS PHOXINUS (LINNAEUS) PARASITES. 2. THE WATER BODIES OF THE NORTHEASTERN EUROPEAN RUSSIA].","authors":"G N Dorovskikh","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The material was collected according to commonly accepted methods in 1992—2013\u0000from the following sites: the Lake Krivoye (Kolguev Island); Volonga, Schapkina, Kolva,\u0000More-Yu, Vorkuta, Kara, and Khalmer-Yu Rivers; Lakes Nikaramata (the Kara River basin)\u0000and Mercempertato (Yamal Peninsula). A total of 436 of the minnow Phoxinus phoxinus\u0000with age 1+—3+ were examined. In the examined water bodies, excluding the Kolva\u0000River, the parasite fauna of the minnow is impoverished, and, to a greater extent, possesses\u0000an occasional character. In rivers Kolpina and Shapkina Rivers, component communities\u0000of minnow parasites are mature (balanced, according to Pugachev, 1999). These minnow\u0000parasite communities consist of three groups of species separated according to the ratio of\u0000their biomasses. In More-Yu, Vorkuta, Kara, and Khalmer-Yu Rivers, and in Lakes Nikaramata,\u0000and probably, Mercempertato, parasite communities are immature (unbalanced).\u0000These minnow parasite communities consist of 1—3 groups of species separated according\u0000the ratio of their biomass. Characteristics of communities from the Volonga River\u0000need clarification. Associations between the state of the described minnow parasite communities\u0000and their geological age (Quaternary history) are traced.\u0000324</p>","PeriodicalId":76305,"journal":{"name":"Parazitologiia","volume":"50 4","pages":"303-24"},"PeriodicalIF":0.0,"publicationDate":"2016-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35315367","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"CHANGES IN SPINATION PATTERNS OVER THE COURSE OF METACERCARIAL DEVELOPMENT OF DIPLOSTOMUM PSEUDOSPATHACEUM NIEWIADOMSKA, 1984 (TREMATODA, DIPLOSTOMIDAE).","authors":"A A Petrov, I M Podvyaznaya","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Metacercarial development of most Diplostomum species including D. pseudospathaceum\u0000occurs in the eye lenses of their fish hosts and is accompanied by radical morphological\u0000changes often referred to as metamorphosis. One of the structures undergoing substantial\u0000changes in D. pseudospathacewn are tegumental spines. The present study used phalloidin\u0000staining and confocal microscopy to examine these changes in D. pseudospathaceum\u0000over the course of development from 3-day-old to infective metacercariae. Although the\u0000general pattern of spination remained essentially unchanged, most larval spines continued\u0000growing in size until late in metacercarial development. From day 10 of development, larval\u0000spination was gradually replaced by small incipient definitive spines and the infective\u0000metacercariae had only definitive spination. The possible adaptive role of spines in developing\u0000metacercariae is discussed.</p>","PeriodicalId":76305,"journal":{"name":"Parazitologiia","volume":"50 4","pages":"331-9"},"PeriodicalIF":0.0,"publicationDate":"2016-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35226027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
N V Ostroverkhova, O L Konusova, A N Kucher, A V Simakova, E P Golubeva, T N Kireeva, I V Sharakhov
{"title":"INFESTATION OF HONEYBEE (APIS MELLIFERA) FAMILIES BY MICROSPORIDIANS OF THE GENUS NOSEMA IN TOMSK PROVINCE","authors":"N V Ostroverkhova, O L Konusova, A N Kucher, A V Simakova, E P Golubeva, T N Kireeva, I V Sharakhov","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Infestation of bee colonies and apiaries by representatives of the genus Nosema, microsporidian protozoans of European honeybees (Apis mellifera L.), causing nosemosis, in Tomsk Province was investigated. In 2012—2015, nosemosis was detected in 32 out of 124 honeybee colonies (31.3 %) and in 20 out of 64 studied apiaries (25.8 %). The maximal infestation rate of bee colonies and apiaries constituted more than 40 % in 2014—2015. N. apis pathogen was registered in 84.4 % of infected bee colonies (16 apiaries); N. ceranae was identified in 9.4 % of infected bee colonies (2 apiaries); and co-infection (N. apis and N. ceranae) was detected in 6.3 % of infected bee colonies (2 apiaries). The reasons of the spreading of the nosemosis, such as climatic conditions, control of\u0000imported bee colonies on the presence of Nosema infection, and some others are discussed.</p>","PeriodicalId":76305,"journal":{"name":"Parazitologiia","volume":"50 3","pages":"197-210"},"PeriodicalIF":0.0,"publicationDate":"2016-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35235538","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"MORPHOLOGY OF TWO NEW SPECIES OF CERCARIAE VIRGULAE (LÜHE, 1909) GROUP.","authors":"S V Shchenkov","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Two new species of virgulous cercariae are described. Morphological descriptions and differential diagnoses are given. Each description is supplemented with a detailed picture.</p>","PeriodicalId":76305,"journal":{"name":"Parazitologiia","volume":"50 3","pages":"169-84"},"PeriodicalIF":0.0,"publicationDate":"2016-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35533270","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
O Yu Busarova, T E Boutorina, G N Markevich, L A Anisimova
{"title":"PARASITE FAUNA OF THE LANDLOCKED SOCKEYE SALMON (ONCORHYNCHUS NERKA) OF THE LAKE KRONOTSKOE (KAMCHATKA).","authors":"O Yu Busarova, T E Boutorina, G N Markevich, L A Anisimova","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76305,"journal":{"name":"Parazitologiia","volume":"50 3","pages":"211-23"},"PeriodicalIF":0.0,"publicationDate":"2016-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35235540","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
S G Sokolov, M V Alshinetsky, M V Berezin, B D Efeykin, S Ed Spiridonov
{"title":"ACANTHOCEPHALANS PROSTHENORCHIS CF. ELEGANS (ARCHIACANTHOCEPHALA: OLIGACANTHORHYNCHIDAE), PARASITES OF PRIMATES IN THE MOSCOW ZOO.","authors":"S G Sokolov, M V Alshinetsky, M V Berezin, B D Efeykin, S Ed Spiridonov","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Acanthocephalans Prosthenorchis cf. elegans were found in primates in the Moscow Zoo. The larvae of these parasites (cistacanths) were found in cockroaches Blattella germanica that had been captured near aviaries of infected animals. Descriptions and drawings of adult parasites and their larvae are given. Analysis of Prosthenorchis cf. elegans genes ITS 1 rDNA and CO 1 mtDNA shows phylogenetic relations of these parasites with several representatives of the class Archiacanthocephala. The obtained molecular data, however, do not support the monophyly of the family Oligacanthorhynchidae and the order\u0000Oligacanthorhynchida.</p>","PeriodicalId":76305,"journal":{"name":"Parazitologiia","volume":"50 3","pages":"185-96"},"PeriodicalIF":0.0,"publicationDate":"2016-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35235537","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"PHYSIOLOGICAL AND BIOCHEMICAL ASPECTS OF INTERACTIONS BETWEEN PATASITOIDS OF THE CLASS INSECTA AND THEIR HOSTS.","authors":"V V Glupov, N A Kryukova","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76305,"journal":{"name":"Parazitologiia","volume":"50 3","pages":"224-42"},"PeriodicalIF":0.0,"publicationDate":"2016-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35235541","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}