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Redescription and molecular analysis of Corynosoma pseudohamanni Zdzitowiecki, 1984 (Acanthocephala: Polymorphidae) juveniles from Notothenia coriiceps Richardson in the water area of Argentine Islands, West Antarctica.
IF 1 4区 医学
Systematic Parasitology Pub Date : 2025-01-24 DOI: 10.1007/s11230-024-10212-w
Omar M Amin, Anshu Chaudhary, Makoto Enoki Caracciolo, Nataliya Yu Rubtsova, Camila Wendt, Olga Lisitsyna, Tetiana A Kuzmina, Wanderley de Souza, Hridaya S Singh
{"title":"Redescription and molecular analysis of Corynosoma pseudohamanni Zdzitowiecki, 1984 (Acanthocephala: Polymorphidae) juveniles from Notothenia coriiceps Richardson in the water area of Argentine Islands, West Antarctica.","authors":"Omar M Amin, Anshu Chaudhary, Makoto Enoki Caracciolo, Nataliya Yu Rubtsova, Camila Wendt, Olga Lisitsyna, Tetiana A Kuzmina, Wanderley de Souza, Hridaya S Singh","doi":"10.1007/s11230-024-10212-w","DOIUrl":"10.1007/s11230-024-10212-w","url":null,"abstract":"<p><p>Corynosoma pseudohamanni Zdzitowiecki, 1984 (Polymorphidae) was described from the intestinal tract of 5 species of seals including the type and main host, the Weddell seal Leptonycotes weddellii (Lesson) in the South Shetlands, West Antarctica. Notothenia coriiceps was the primary paratenic host of 14 fish hosts reported in the original description. We describe excysted juveniles from the body cavity of the major paratenic host, Notothenia coriiceps Richardson collected off Galindez Island, Argentine Islands, West Antarctica for the first time. The original description was not \"based on material collected from the final hosts (seals) and paratenic hosts (fish)\" as stated since no description of juveniles was given then. Our excysted juveniles were generally smaller than reported adults and many of the other measurements were comparable to those of the adults in the original description. We added many of the incomplete measurements of adults in the original description especially those of the underdeveloped reproductive structures. We compared our morphometric description with the only other one available for juveniles collected from three paratenic fish hosts from Prince Gustav Channel, Antarctica. We have added informative optical microscopy images and SEM images of internal and external structures, previously missed in the original description. Energy Dispersive X-ray analysis revealed the highest levels of calcium in all hooks and hook roots compared to sulfur and phosphorus. We also provide a molecular characterization of the species for the first time. Newly generated sequences of the mitochondrial cytochrome c oxidase subunit 1 (mtcox1) gene from isolates of C. pseudohamanni cystacanths were compared with sequences of other acanthocephalans available in GenBank. Phylogenetic analyses based on maximum likelihood (ML) and Bayesian inference (BI) methods of the cox1 dataset placed all the species of Corynosoma in a single clade, with strong support. The mt cox1 sequences of C. pseudohamanni formed a strongly supported individual clade with the published sequences of Corynosoma nortmeri and Corynosoma magdaleni from the North Sea, Germany. We have determined the genetic diversity of C. pseudohamanni and compare it with other Corynosoma species haplotype diversity and distribution.</p>","PeriodicalId":54436,"journal":{"name":"Systematic Parasitology","volume":"102 1","pages":"16"},"PeriodicalIF":1.0,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143043346","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
New records of Spelaeorhynchus praecursor Neumann, 1902 (Mesostigmata: Spelaeorhynchidae) in the Brazilian Caatinga. 巴西Caatinga Spelaeorhynchus前体新记录Neumann, 1902(中类群:Spelaeorhynchidae)。
IF 1 4区 医学
Systematic Parasitology Pub Date : 2024-12-25 DOI: 10.1007/s11230-024-10211-x
Ricardo Bassini-Silva, Eder Barbier, Marcos Rogério André, Darci Moraes Barros-Battesti, Fernando de Castro Jacinavicius
{"title":"New records of Spelaeorhynchus praecursor Neumann, 1902 (Mesostigmata: Spelaeorhynchidae) in the Brazilian Caatinga.","authors":"Ricardo Bassini-Silva, Eder Barbier, Marcos Rogério André, Darci Moraes Barros-Battesti, Fernando de Castro Jacinavicius","doi":"10.1007/s11230-024-10211-x","DOIUrl":"10.1007/s11230-024-10211-x","url":null,"abstract":"<p><p>The Neotropical bat-ectoparasite family Spelaeorhynchidae comprises seven species into in one genus. The species Spelaeorhynchus praecursor is the most distributed in the region, parasitizing phyllostomid bats of the subfamilies Carolliinae, Glossophaginae and Stenodermatinae. The present study expands the known geographic distribution of this species, providing new host records, as well as the first SEM images detailing the main characteristics of this species.</p>","PeriodicalId":54436,"journal":{"name":"Systematic Parasitology","volume":"102 1","pages":"15"},"PeriodicalIF":1.0,"publicationDate":"2024-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142886474","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A new species of genus Hysterothylacium Ward & Magath, 1917 (Nematoda: Ascaridoidea) from the greater amberjack Seriola dumerili (Risso) (Carangiformes: Carangidae) in the Persian Gulf off Iraq. A new species of genus Hysterothylacium Ward & Magath, 1917 (Nematoda: Ascaridoidea) from the greater amberjack Seriola dumerili (Risso) (Carangiformes: Carangidae) in the Persian Gulf off Iraq.
IF 1 4区 医学
Systematic Parasitology Pub Date : 2024-12-13 DOI: 10.1007/s11230-024-10210-y
Hassan A Fazaa, Xiao-Hong Gu, Hussein A Saud, Atheer H Ali, Liang Li
{"title":"A new species of genus Hysterothylacium Ward & Magath, 1917 (Nematoda: Ascaridoidea) from the greater amberjack Seriola dumerili (Risso) (Carangiformes: Carangidae) in the Persian Gulf off Iraq.","authors":"Hassan A Fazaa, Xiao-Hong Gu, Hussein A Saud, Atheer H Ali, Liang Li","doi":"10.1007/s11230-024-10210-y","DOIUrl":"10.1007/s11230-024-10210-y","url":null,"abstract":"<p><p>A new ascaridoid nematode, Hysterothylacium malleocaudatum sp. n., was described using both light and scanning electron microscopy, based on specimens collected from the greater amberjack Seriola dumerili (Risso) (Carangiformes: Carangidae) in the Persian Gulf off Iraq. The new species can be distinguished from the congeners by the combination of the following features, the presence of remarkable lateral alae starting from base of ventro-lateral lips, the short intestinal caecum and long ventricular appendix (intestinal caecum representing 21.1-40.5% of oesophageal length, ratio of intestinal caecum to ventricular appendix 1: 1.42-3.77), the relatively long oesophagus (oesophageal length representing 9.83-14.3 % body length), the number and arrangement of the caudal papillae (31-37 pairs precloacal, 1-2 pairs paracloacal and 6 pairs postcloacal), and the presence of inflated hammer-shaped tail tip in both sexes. The new species represents the fourth Hysterothylacium species reported in marine fishes from Persian Gulf, off Iraq.</p>","PeriodicalId":54436,"journal":{"name":"Systematic Parasitology","volume":"102 1","pages":"14"},"PeriodicalIF":1.0,"publicationDate":"2024-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142822827","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comprehensive annotated checklist of monogenean diversity and distribution in Algerian marine fish. 阿尔及利亚海鱼单系多样性和分布的综合注释清单。
IF 1 4区 医学
Systematic Parasitology Pub Date : 2024-12-11 DOI: 10.1007/s11230-024-10198-5
Affaf Boukadoum, Fadila Tazerouti
{"title":"Comprehensive annotated checklist of monogenean diversity and distribution in Algerian marine fish.","authors":"Affaf Boukadoum, Fadila Tazerouti","doi":"10.1007/s11230-024-10198-5","DOIUrl":"10.1007/s11230-024-10198-5","url":null,"abstract":"<p><p>A comprehensive checklist of monogenean parasites from marine fish in Algeria was compiled by reviewing the entire available literature, resulting in a detailed parasite-host and host-parasite list. This checklist includes 156 species across 71 genera and 23 families of monogeneans, with 136 species identified to the species level, while the remaining 20 species are identified only to the genus (19 species) or subfamily level (1 species). These parasites have been reported from 82 marine fish hosts, spanning 34 families: 15 species of Elasmobranchii, 1 of Holocephali, and 66 of Teleostei. The highest number of monogenean species was found on Teleostei (128), followed by Elasmobranchii (26), and Holocephali (2). The family Diplectanidae Monticelli, 1903 is the most prevalent, encompassing 43 species, followed by Microcotylidae Taschenberg, 1879 with 27 species. Among the most diverse genera are Lamellodiscus Johnston & Tiegs, 1922 and Microcotyle Van Beneden & Hesse, 1863, with the latter's species, Microcotyle erythrini, Van Beneden & Hesse, 1863 being the most encountered species. The class Teleostei has been the most extensively studied, with the Sparidae Rafinesque, 1818 family receiving the most attention, particularly Boops boops (Linnaeus) as the most cited fish species. Notably, Diplodus vulgaris (Geoffroy Saint-Hilaire) and Diplodus sargus (Linnaeus) exhibit high species richness. The checklist also identified seven Monogenea species, including Atriaster maillardi López-Román & De Armas Hernández, 1989, newly recorded in the Mediterranean. This checklist provides an up-to-date summary of Monogenea diversity in Algerian marine fish, reflecting nearly three decades of detailed taxonomic research. It highlights the current understanding of these parasites and underscores the need for continued research to fully explore the diversity of monogenean parasites in Algerian fish fauna.</p>","PeriodicalId":54436,"journal":{"name":"Systematic Parasitology","volume":"102 1","pages":"13"},"PeriodicalIF":1.0,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142808706","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Trochopus martydeveneyi n. sp. (Monogenea) infecting the pectoral fins of the southern African endemic Cape gurnard, Chelidonichthys capensis in Table Bay, and the proposal of Trochopus lawleri n. sp. for T. hobo from Australia. 非洲南部特有的角鱼胸鳍感染的Trochopus martydeveneyi n. sp.(单属),桌湾的Chelidonichthys capensis,以及澳大利亚的T. hobo对Trochopus lawleri n. sp.的建议。
IF 1 4区 医学
Systematic Parasitology Pub Date : 2024-12-10 DOI: 10.1007/s11230-024-10207-7
Trevor Gardiner, Alejandro Trujillo Gonzalez, Kari F Soennichsen, David B Vaughan
{"title":"Trochopus martydeveneyi n. sp. (Monogenea) infecting the pectoral fins of the southern African endemic Cape gurnard, Chelidonichthys capensis in Table Bay, and the proposal of Trochopus lawleri n. sp. for T. hobo from Australia.","authors":"Trevor Gardiner, Alejandro Trujillo Gonzalez, Kari F Soennichsen, David B Vaughan","doi":"10.1007/s11230-024-10207-7","DOIUrl":"10.1007/s11230-024-10207-7","url":null,"abstract":"<p><p>Trochopus martydeveneyi n. sp., a large, elegant species is described from the dorsal surface of the pectoral fins of captive Cape gurnard, Chelidonichthys capensis (Cuvier), at Two Oceans Aquarium, Cape Town, originally collected from Table Bay, South Africa in 2007. The host microhabitat for T. martydeveneyi n. sp. is uncharacteristic for Trochopus species, which are generally known from the gills, and less so from the skin of the body of their hosts. This new species is unique among the known Trochopus species, possessing a large, dark-staining gland on each of the two testes, presumably to produce the contents of the spermatophore plug that is visible in the vagina of two specimens. Two separate individual specimens of T. martydeveneyi n. sp. also presented with unilateral testicular atrophy, which is apparently rare in the Monogenea but considered a natural occurrence. Egg hatching and larval haptoral morphology are also provided. Trochopus lawleri n. sp. is proposed for Trochopus hobo sensu Lawler and Hargis (1968) from the gills of Chelidonichthys kumu (Cuvier) off Australia, and the monotypic Trochopella Euzet & Trilles, 1962 is synonymised with Trochopus Diesing, 1850. The generic diagnosis is revised for Trochopus to incorporate new data, and information previously excluded.</p>","PeriodicalId":54436,"journal":{"name":"Systematic Parasitology","volume":"102 1","pages":"12"},"PeriodicalIF":1.0,"publicationDate":"2024-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142802493","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Morphological description and molecular characterization of Heterospinus mccordi n. gen. n. sp. (Acanthocephala: Polymorphidae) from cystacanths infecting a non-native crayfish host, Procambarus clarkii (Decapoda: Cambaridae), in South Carolina, USA. 美国南卡罗莱纳州环棘纲异棘虫mccordi n. genn . sp.(棘头纲:多形科)侵染外来寄主克氏原螯虾的形态描述和分子特征。
IF 1 4区 医学
Systematic Parasitology Pub Date : 2024-12-09 DOI: 10.1007/s11230-024-10195-8
Gregory K Rothman, Kristina M Hill-Spanik, Graham A Wagner, Michael R Kendrick, Peter R Kingsley-Smith, Isaure de Buron
{"title":"Morphological description and molecular characterization of Heterospinus mccordi n. gen. n. sp. (Acanthocephala: Polymorphidae) from cystacanths infecting a non-native crayfish host, Procambarus clarkii (Decapoda: Cambaridae), in South Carolina, USA.","authors":"Gregory K Rothman, Kristina M Hill-Spanik, Graham A Wagner, Michael R Kendrick, Peter R Kingsley-Smith, Isaure de Buron","doi":"10.1007/s11230-024-10195-8","DOIUrl":"10.1007/s11230-024-10195-8","url":null,"abstract":"<p><p>A new genus and species within the family Polymorphidae Meyer, 1931 were erected to accommodate cystacanths recovered from the mesentery of individuals from a non-native population of the red swamp crayfish Procambarus clarkii (Girard), collected from South Carolina (USA). Morphological characteristics of the specimens collected included in both sexes a spindle-shaped body with a slender hindtrunk, two fields of markedly different sized spines on the foretrunk, the presence of a middle row of smaller scythe-shaped hooks on a proboscis armed with 19-20 longitudinal rows of 14-16 hooks; and in males, six cement glands, absence of genital spines, and a digitiform and spinose bursa (observed inverted). Sequencing portions of both the mitochondrial cytochrome c oxidase I (COI) and large subunit ribosomal RNA genes was completed, followed by phylogenetic analysis of a concatenated alignment. Sequences from our specimens appeared in a clade with those of Hexaglandula corynosoma (Travassos, 1915) and Ibirhynchus dimorpha (Schmidt, 1973) but were 27% divergent from both using the COI marker. The genetic divergence of this parasite from other polymorphid genera, along with unique morphological features, justified erecting a new genus and new species. Herein we describe Heterospinus mccordi n. gen. n. sp. bringing the total number of genera within the family Polymorphidae to 16, and we emend and update the latest key that was provided for the genera within this family. This is the first record of polymorphids infecting P. clarkii outside of its native range. The definitive host remains unknown.</p>","PeriodicalId":54436,"journal":{"name":"Systematic Parasitology","volume":"102 1","pages":"11"},"PeriodicalIF":1.0,"publicationDate":"2024-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11628437/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142803525","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Linking adults and cystacanths of a new species of Rhadinorhynchus Lühe, 1911 (Acanthocephala: Rhadinorhynchidae) from the Pacific coast of Mexico by using morphological and molecular data. 引用本文:墨西哥太平洋沿岸一新种Rhadinorhynchus lhe, 1911(棘头目:Rhadinorhynchidae)的成虫与半棘纲的形态和分子联系。
IF 1 4区 医学
Systematic Parasitology Pub Date : 2024-12-05 DOI: 10.1007/s11230-024-10205-9
Mayra I Grano-Maldonado, Ana L Sereno-Uribe, José Carlos Hernández Payán, Gerardo Pérez-Ponce de León, Martín García-Varela
{"title":"Linking adults and cystacanths of a new species of Rhadinorhynchus Lühe, 1911 (Acanthocephala: Rhadinorhynchidae) from the Pacific coast of Mexico by using morphological and molecular data.","authors":"Mayra I Grano-Maldonado, Ana L Sereno-Uribe, José Carlos Hernández Payán, Gerardo Pérez-Ponce de León, Martín García-Varela","doi":"10.1007/s11230-024-10205-9","DOIUrl":"10.1007/s11230-024-10205-9","url":null,"abstract":"<p><p>During parasitological surveys of marine fishes and zooplankton in localities of the Northwestern Pacific coast of Mexico, 28 Gafftopsail pompano (Trachinotus rhodopus Gill) and 50 mysid crustaceans (Metamysidopsis frankfiersi Hendrickx & Hernández-Payán) we identified to be infected with adults and cystacanths, respectively of an acanthocephalan morphologically corresponding to the genus Rhadinorhynchus Lühe, 1911. DNA sequences of the small (SSU) and large (LSU) subunits of ribosomal DNA, and cytochrome c oxidase subunit 1 (cox 1) from mitochondrial DNA were obtained. Phylogenetic analyses revealed that the newly sequenced individuals in a clade with Rhadinorhynchus sp. from carangids in other localities of the Pacific coast of Mexico; together, all these individuals formed an independent lineage that is recognized herein as a new species, Rhadinorhynchus trachinoti n. sp. The new species is morphologically distinguished from the other 38 congeners by having a long and cylindrical proboscis armed with 12 longitudinal rows bearing 16-18 hooks each. The ecological information gathered from the parasites, together with genetic evidence, confirms that the Gafftopsail pompano is the definitive host of R. trachinoti n. sp., while mysid crustaceans serve as the intermediate host. Current records also indicate that R. trachinoti n. sp. is distributed along the Pacific coast of Mexico, from Mazatlán, Sinaloa in the north to Puerto Angel, Oaxaca in the south. This distribution aligns with the Mexican Coastal Current, which extends from the Gulf of Tehuantepec in Oaxaca to the entrance of the Gulf of California and southern Baja California.</p>","PeriodicalId":54436,"journal":{"name":"Systematic Parasitology","volume":"102 1","pages":"10"},"PeriodicalIF":1.0,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11621187/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142787722","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A new species of Myxobolus (Cnidaria: Myxosporea: Myxobolidae) from the gills of the green sunfish, Lepomis cyanellus (Perciformes: Centrarchidae), from the Ouachita River Drainage of Western Arkansas. 阿肯色州西部瓦希托河流域绿色翻车鱼蓝藻Lepomis cyanellus鳃中粘虫一新种(刺胞纲:粘孢子目:粘虫科)。
IF 1 4区 医学
Systematic Parasitology Pub Date : 2024-12-03 DOI: 10.1007/s11230-024-10208-6
Chris T McAllister, Eric M Leis, Donald G Cloutman, Alvin C Camus, Irvin Arroyo-Torres, Lana Gretebeck, Michael R Rodriguez, Henry W Robison
{"title":"A new species of Myxobolus (Cnidaria: Myxosporea: Myxobolidae) from the gills of the green sunfish, Lepomis cyanellus (Perciformes: Centrarchidae), from the Ouachita River Drainage of Western Arkansas.","authors":"Chris T McAllister, Eric M Leis, Donald G Cloutman, Alvin C Camus, Irvin Arroyo-Torres, Lana Gretebeck, Michael R Rodriguez, Henry W Robison","doi":"10.1007/s11230-024-10208-6","DOIUrl":"10.1007/s11230-024-10208-6","url":null,"abstract":"<p><p>Forty-two species of myxozoans, including 31 species of Myxobolus Bütschli, 1882, have been described from centrarchid fishes. One species, the green sunfish (Lepomis cyanellus), has been reported to host at least three species of Myxobolus. Between March 2023 and June 2024, 42 L. cyanellus were collected from watersheds in Montgomery and Polk counties, Arkansas, and their gills, gallbladders, urinary bladders, fins, integument, other major organs, and musculature were examined for myxozoans. Two (5%) L. cyanellus from Polk County were found to harbor a new species of Myxobolus infecting the gill lamellae. A qualitative and quantitative morphological description was based on formalin-fixed preserved plasmodia and myxospores. Plasmodia of Myxobolus polkensis n. sp. are 133 µm long × 123 µm wide, and myxospores are 19.8 µm long × 6.5 µm wide, with two narrowly pyriform unequal polar capsules, one usually longer (9.2 µm) than the other (8.5 µm). Molecular data consisted of a 2,025 base pair sequence of the partial small subunit rRNA gene (SSU). Variably sized, polysporic plasmodia were randomly distributed throughout the gill lamellae in intralamellar locations. Large plasmodia displaced adjacent lamellae inducing mild epithelial proliferation but minimal inflammatory changes. Phylogenetic analysis revealed that M. polkensis n. sp. is a member of a clade of myxozoan species that predominately infect centrarchids from North America. This is the fourth report of a Myxobolus from L. cyanellus but the first report of a species infecting the gill lamellae. This article was registered in the Official Register of Zoological Nomenclature (ZooBank) as urn:lsid:zoobank.org:pub:E9BA08E0-0A7E-487B-80AE-C5C723DBB661.</p>","PeriodicalId":54436,"journal":{"name":"Systematic Parasitology","volume":"102 1","pages":"9"},"PeriodicalIF":1.0,"publicationDate":"2024-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142774861","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A new species of Cruzia (Nematoda: Cosmocercoidea, Kathlaniidae) parasitic in lizards from a threatened region of Argentina. 寄生于阿根廷受威胁地区蜥蜴体内的一种新的 Cruzia(线虫纲:Cosmocercoidea,Kathlaniidae)。
IF 1 4区 医学
Systematic Parasitology Pub Date : 2024-11-22 DOI: 10.1007/s11230-024-10204-w
Lorena G Ailán-Choke, Amanda L M Rosa, Cynthya E González, Felipe B Pereira
{"title":"A new species of Cruzia (Nematoda: Cosmocercoidea, Kathlaniidae) parasitic in lizards from a threatened region of Argentina.","authors":"Lorena G Ailán-Choke, Amanda L M Rosa, Cynthya E González, Felipe B Pereira","doi":"10.1007/s11230-024-10204-w","DOIUrl":"10.1007/s11230-024-10204-w","url":null,"abstract":"<p><p>Cruzia Travassos, 1917 is a diverse genus of nematode parasites in amphibians, reptiles, and mammals. During a parasitological survey, specimens of Cruzia were found in the intestine of the lizards Ameiva ameiva (Linnaeus) and Teius teyou (Daudin) (Squamata: Teiidae) at the Chaco region, Formosa province, Argentina. A comparative analysis revealed that these nematodes represent a new species, named as Cruzia toba n. sp. The new species can be distinguished from the congeners based on the combination of the following features: presence 12-14 teeth per row in the pharynx, equatorial vulva in females, and number and arrangement of caudal papillae in males (11 pairs: 3 precloacal, 3 paracloacal, 5 postcloacal; plus a precloacal minute unpaired papilla). Cruzia toba n. sp. is closely related to C. lauroi Vieira, Gonçalves, Lima, Sousa, and Muniz-Pereira, 2020 a likewise parasite of lizards, regarding the length of spicules and the presence of an unpaired papilla in males, but differs from it in the position of the vulva, the size of the gubernaculum and in the number and arrangement of caudal papillae. This is the first report of a representative of Kathlaniidae parasitizing A. ameiva and T. teyou, and the first Cruzia infecting lizards from Argentina. The morphological affinities among species of Cruzia are mostly random, not allowing a morphological grouping of these parasites in relation to their host taxa, or geographic origin. Thus, the speciation process in Cruzia most likely occurred via host capture.</p>","PeriodicalId":54436,"journal":{"name":"Systematic Parasitology","volume":"102 1","pages":"8"},"PeriodicalIF":1.0,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142689679","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Two case reports of the parasitism of Ophionyssus natricis (Gervais, 1844) (Mesostigmata: Macronyssidae) in captive Epicrates crassus (Cope) (Squamata: Boidae) in Brazil. 两份关于 Ophionyssus natricis (Gervais, 1844) (Mesostigmata: Macronyssidae) 寄生于巴西圈养的 Epicrates crassus (Cope) (Squamata: Boidae) 的病例报告。
IF 1 4区 医学
Systematic Parasitology Pub Date : 2024-11-21 DOI: 10.1007/s11230-024-10206-8
Victor de Souza Mello-Oliveira, Fernando de Castro Jacinavicius, Lívia de Oliveira Andrade, Márcio Junio Lima Siconelli, Fernanda Mara Aragão Macedo Pereira, Lauro Leite Soares-Neto, Alícia Giolo Hippólito, Estevam Guilherme Lux Hoppe, Ashley P G Dowling, Darci Moraes Barros-Battesti, Ricardo Bassini-Silva
{"title":"Two case reports of the parasitism of Ophionyssus natricis (Gervais, 1844) (Mesostigmata: Macronyssidae) in captive Epicrates crassus (Cope) (Squamata: Boidae) in Brazil.","authors":"Victor de Souza Mello-Oliveira, Fernando de Castro Jacinavicius, Lívia de Oliveira Andrade, Márcio Junio Lima Siconelli, Fernanda Mara Aragão Macedo Pereira, Lauro Leite Soares-Neto, Alícia Giolo Hippólito, Estevam Guilherme Lux Hoppe, Ashley P G Dowling, Darci Moraes Barros-Battesti, Ricardo Bassini-Silva","doi":"10.1007/s11230-024-10206-8","DOIUrl":"10.1007/s11230-024-10206-8","url":null,"abstract":"<p><p>There are more than 200 species of Macronyssidae parasitizing reptiles, birds, and mammals worldwide. While most species are found on wild animals, show some degree of geographic, and host group specificity, Ophionyssus natricis thrives on captive snakes and lizards and as a result of the pet trade, has a cosmopolitan distribution. In this study, we are providing new host records for this species for the state of São Paulo, as well as SEM images and the first partial sequences of Brazilian specimens.</p>","PeriodicalId":54436,"journal":{"name":"Systematic Parasitology","volume":"102 1","pages":"7"},"PeriodicalIF":1.0,"publicationDate":"2024-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142683588","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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