International Journal for Parasitology-Parasites and Wildlife最新文献

{"title":"Sentinels in the shadows: Exploring Toxoplasma gondii and other Sarcocystidae parasites in synanthropic rodents and their public health implications","authors":"Filippo Maria Dini,&nbsp;Monica Caffara,&nbsp;Alice Magri,&nbsp;Alessia Cantori,&nbsp;Valentina Luci,&nbsp;Antonio Monno,&nbsp;Roberta Galuppi","doi":"10.1016/j.ijppaw.2024.100939","DOIUrl":"https://doi.org/10.1016/j.ijppaw.2024.100939","url":null,"abstract":"<div><p>Synanthropic rodents play a crucial role in maintaining the life cycle of <em>Toxoplasma gondii</em> in anthropized regions and can serve as indicators of environmental oocyst contamination. This investigation aimed to explore the occurrence of <em>T. gondii</em> infection within synanthropic rodent populations using a molecular diagnostic technique targeting the 18S rDNA gene, which is generic for Coccidia, with subsequent specific PCR confirmation. We examined 97 brown rats (<em>Rattus norvegicus</em>), 67 black rats (<em>R. rattus</em>), 47 house mice (<em>Mus musculus</em>), and 1 common shrew (<em>Sorex araneus</em>). PCR tests were conducted on the brain, heart, and tongue tissues. PCR tested positive in at least one of the examined tissues in 26 <em>R. norvegicus</em> (26.8%), 13 <em>R. rattus</em> (19.4%), and 13 <em>M. musculus</em> (27.6%). Sequencing comparisons by BLAST allowed us to identify four different species of cyst-forming Apicomplexa. In particular, <em>T. gondii</em> DNA was detected in 13 (6.1%) rodents, <em>Hammondia hammondi</em> (including <em>H. hammondi</em>-like organisms) in 36 (17%) subjects, <em>Besnoitia</em> sp. (in two cases identified as <em>B. besnoiti</em>) in 8 (3.7%), and <em>Sarcocystis gigantea</em> in two (0.94%). Rodents from peri-urban and urban environments can act as indicators of environmental contamination by oocysts of apicomplexan parasites with cats as definitive hosts, such as <em>T. gondii</em>, <em>H. hammondi</em>, and <em>S. gigantea</em>, the latter of which has never been previously recorded in rodents. Moreover, the presence of <em>B. besnoiti</em>, a parasite with an unidentified definitive host in Europe, sheds light on the potential role of these hosts as infection sentinels.</p></div>","PeriodicalId":54278,"journal":{"name":"International Journal for Parasitology-Parasites and Wildlife","volume":"24 ","pages":"Article 100939"},"PeriodicalIF":1.8,"publicationDate":"2024-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S221322442400035X/pdfft?md5=a2386f4e47a458aa08087271b2cbb2e6&pid=1-s2.0-S221322442400035X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140618095","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A review and comparison of the nematode assemblages of the Australian golden bandicoot, Isoodon auratus, the quenda, I. fusciventer and southern brown bandicoot, I. obesulus (Peramelidae), from material held in the south Australian museum","authors":"L.R. Smales ,&nbsp;J.A.L. Wood ,&nbsp;L.A. Chisholm","doi":"10.1016/j.ijppaw.2024.100938","DOIUrl":"https://doi.org/10.1016/j.ijppaw.2024.100938","url":null,"abstract":"<div><p>A total of 333 vials of nematodes collected from three species of <em>Isoodon</em> (representing three individuals of <em>I. auratus,</em> 63 of <em>I. fusciventer</em> and 92 of <em>I. obesulus</em>) held in the Australian Helminthological Collection of the South Australian Museum were examined. Nematodes were identified and the nematode assemblages of the three hosts were compared with each other and with the assemblage of <em>Isoodon macrourus.</em> Two fully identified species were recovered from <em>I. auratus,</em> eight from <em>I. fusciventer</em> and 14 from <em>I. obesulus.</em> None of the species occurred in all three hosts; <em>Labiobulura inglisi</em> (Subuluridae), <em>Peramelistrongylus skedastos</em> (Dromaeostrongylidae) and <em>Asymmetracantha tasmaniensis</em> (Mackerrastrongylidae) all occurred in <em>I. fusciventer</em> and <em>I. obesulus.</em> Only <em>Pe. skedastos</em> was also found in <em>I. macrourus.</em> Sorensen's index of similarity, 27.2 %, showed that <em>I. fusciventer</em> and <em>I. obesulus</em> did not have similar nematode communities and neither were their communities similar to that of <em>I. macrourus,</em> 17.1 % and 39.0 % respectively. <em>Labiobulura inglisi</em> and <em>Linstowinema inglisi</em> were the dominant nematodes in the assemblage of <em>I. fusciventer</em> and <em>La. inglisi</em> was dominant in <em>I. obesulus.</em> The two hosts had nematode assemblages with unique species profiles; one species of <em>Linstowinema</em> in <em>I</em>. <em>fusciventer,</em> three in <em>I. obesulus;</em> a species of <em>Physaloptera</em> in <em>I. obesulus,</em> none in <em>I</em>. <em>fusciventer;</em> four species of strongylid; <em>Asymmetracantha tasmaniensis</em> the most prevalent in <em>I</em>. <em>fusciventer, Peramelistrongylus skedastos</em> the most prevalent in <em>I.obesulus</em>. The size of the geographic range is a probable determinant of the species richness of the nematode assemblages.</p></div>","PeriodicalId":54278,"journal":{"name":"International Journal for Parasitology-Parasites and Wildlife","volume":"24 ","pages":"Article 100938"},"PeriodicalIF":1.8,"publicationDate":"2024-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2213224424000348/pdfft?md5=513d337678b5983c3151ed0073c58e8b&pid=1-s2.0-S2213224424000348-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140645065","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evidence of predation pressure on sensitive species by raccoons based on parasitological studies","authors":"Norbert Peter ,&nbsp;Anna V. Schantz ,&nbsp;Dorian D. Dörge ,&nbsp;Anne Steinhoff ,&nbsp;Sarah Cunze ,&nbsp;Ajdin Skaljic ,&nbsp;Sven Klimpel","doi":"10.1016/j.ijppaw.2024.100935","DOIUrl":"https://doi.org/10.1016/j.ijppaw.2024.100935","url":null,"abstract":"<div><p>To demonstrate predation and potential impacts of raccoons on various species, a total of 108 raccoons from aquatic-associated nature reserves and natural areas in three federal states of Germany, Hesse (n = 36), Saxony-Anhalt (n = 36) and Brandenburg (n = 36), were investigated from a dietary ecological perspective in the present study. Fecal analyses and stomach content examinations were conducted for this purpose. Additionally, as a supplementary method for analyzing the dietary spectrum of raccoons, the parasite fauna was considered, as metazoan parasites, in particular, can serve as indicators for the species and origin of food organisms. While stomach content analyses allow for a detailed recording of trophic relationships solely at the time of sampling, parasitological examinations enable inferences about more distant interaction processes. With their different developmental stages and heteroxenous life cycles involving specific, sometimes obligate, intermediate hosts, they utilize the food web to reach their definitive host. The results of this study clearly demonstrate that spawning areas of amphibians and reptiles were predominantly utilized as food resources by raccoons in the study areas. Thus, common toad (<em>Bufo bufo</em>), common newt (<em>Lissotriton vulgaris</em>), grass frog (<em>Rana temporaria</em>), and grass snake (<em>Natrix natrix</em>) were identified as food organisms for raccoons. The detection of the parasite species <em>Euryhelmis squamula</em>, <em>Isthmiophora melis</em>, and <em>Physocephalus sexalatus</em> with partially high infestation rates also suggests that both amphibians and reptiles belong to the established dietary components of raccoons from an ecological perspective, as amphibians and reptiles are obligate intermediate hosts in the respective parasitic life cycles of the detected parasites. The study clearly demonstrates that raccoons have a significant impact on occurrence-sensitive animal species in certain areas and, as an invasive species, can exert a negative influence on native species and ecosystems.</p></div>","PeriodicalId":54278,"journal":{"name":"International Journal for Parasitology-Parasites and Wildlife","volume":"24 ","pages":"Article 100935"},"PeriodicalIF":1.8,"publicationDate":"2024-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2213224424000312/pdfft?md5=81ad5e925aa962c79b5c5c4c22d3d4f4&pid=1-s2.0-S2213224424000312-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140546961","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"From wildlife to humans: The global distribution of Trichinella species and genotypes in wildlife and wildlife-associated human trichinellosis","authors":"Cody J. Malone ,&nbsp;Antti Oksanen ,&nbsp;Samson Mukaratirwa ,&nbsp;Rajnish Sharma ,&nbsp;Emily Jenkins","doi":"10.1016/j.ijppaw.2024.100934","DOIUrl":"https://doi.org/10.1016/j.ijppaw.2024.100934","url":null,"abstract":"<div><p>Zoonotic nematodes of the genus <em>Trichinella</em> are foodborne parasites that have a global distribution in wild carnivores and omnivores, with spillover and spillback into domestic livestock and people, with concomitant trade and health consequences. Historically, most human cases were linked to domestic pigs infected with <em>Trichinella spiralis,</em> but under current high biosecurity swine production in many countries, wildlife have become a more important source of human trichinellosis. The aim of this review is to update the global distribution of <em>Trichinella</em> species and genotypes reported in wildlife, as well as reported human outbreaks from the consumption of wildlife. Using several online databases and by “snowballing” references, hundreds of reports of <em>Trichinella</em> spp. in wildlife published between January 1991 and December 2023 provide an important update to the host and geographic range for each of the recognized 13 species/genotypes, grouped by continent. Surveillance effort was highest in Europe and North America, while Africa, Asia, Central and South America have had limited surveillance, in some instances with human cases serving as sentinels of transmission in a region. Dozens of human outbreaks are described, with wild boars (<em>Sus scrofa</em>) being the most frequently implicated wildlife species in human outbreaks globally. Bears are an important source of infection in North America, for wildlife tourism, and importation of bear meat has also been implicated in multicountry outbreaks. The largest study limitation was the dearth of molecular identification of larvae in both wildlife surveillance studies and human outbreaks, particulary in under-studied regions. We highlight the need for enhanced molecular epidemiological approaches to outbreaks of this important foodborne parasite, and emphasize the need for a One Health approach to manage <em>Trichinella</em> spp. which transmit among terrestrial and marine wildlife (including migratory birds), pigs, horses, and people, often across large geographic scales and borders.</p></div>","PeriodicalId":54278,"journal":{"name":"International Journal for Parasitology-Parasites and Wildlife","volume":"24 ","pages":"Article 100934"},"PeriodicalIF":1.8,"publicationDate":"2024-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2213224424000300/pdfft?md5=b3517c0bf6194b7b5eeaade88bf80d1b&pid=1-s2.0-S2213224424000300-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140548991","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Corrigendum to “Trypanosoma spp. Neobats: Insights about those poorly known trypanosomatids” [Int. J. Parasitol. Parasites Wildl. 16 (2021) 145–152]","authors":"Fernanda Moreira Alves ,&nbsp;Diana Azeredo Rangel ,&nbsp;Emmanuel Messias Vilar ,&nbsp;Márcio Galvão Pavan ,&nbsp;Ricardo Moratelli ,&nbsp;André Luiz Rodrigues Roque ,&nbsp;Ana Maria Jansen","doi":"10.1016/j.ijppaw.2024.100915","DOIUrl":"10.1016/j.ijppaw.2024.100915","url":null,"abstract":"","PeriodicalId":54278,"journal":{"name":"International Journal for Parasitology-Parasites and Wildlife","volume":"23 ","pages":"Article 100915"},"PeriodicalIF":1.8,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2213224424000117/pdfft?md5=6631876a0ce4aceff61088c589003c03&pid=1-s2.0-S2213224424000117-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140088422","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A critically co-endangered feather louse Forficuloecus pezopori n. sp. (Phthiraptera: Philopteridae) detected through conservation intervention for the western ground parrot Pezoporus flaviventris (Psittaculidae)","authors":"Storm Blas Martin ,&nbsp;Sarah Keatley ,&nbsp;Alisa Wallace ,&nbsp;Rebecca J. Vaughan-Higgins ,&nbsp;Amanda Ash","doi":"10.1016/j.ijppaw.2024.100931","DOIUrl":"https://doi.org/10.1016/j.ijppaw.2024.100931","url":null,"abstract":"<div><p><em>Forficuloecus pezopori</em> Martin, Keatley &amp; Ash n. sp. from the western ground parrot <em>Pezoporus flaviventris</em> North, 1911 (Psittaculidae) is proposed based on combined evidence from morphology and <em>COI</em> mitochondrial DNA. Phylogenetically, the new species is closest to its two known congeners from Western Australia: <em>F</em>. <em>josephi</em> Price, Johnson &amp; Palma, 2008 from Bourke's parrot <em>Neopsephotus bourkii</em> (Gould, 1841) and the scarlet-chested parrot <em>Neophema splendida</em> (Gould, 1841), and <em>F</em>. <em>palmai</em> Guimarães, 1985 from the Australian ringneck parrot <em>Barnardius zonarius</em> (Shaw, 1805). Morphologically it is distinguishable by abdominal chaetotaxy and characters of the male genitalia, and is most similar to <em>F</em>. <em>josephi</em> and <em>F</em>. <em>greeni</em> Guimarães, 1985; the latter has no representative sequence data. <em>Forficuloecus pezopori</em> is the eleventh species of its genus and the only metazoan parasite known from <em>P</em>. <em>flaviventris</em>, which is among Australia's most endangered vertebrates. The new louse is apparently restricted to <em>P</em>. <em>flaviventris</em> and is therefore co-endangered, facing at least the same likelihood of extinction as its host. We recommend ongoing translocation and field monitoring efforts for <em>P</em>. <em>flaviventris</em> include monitoring but not treatment for lice infestations in otherwise healthy individuals, and that the care management plan for captive <em>P</em>. <em>flaviventris</em> considers that <em>F</em>. <em>pezopori</em> is similarly imperilled.</p></div>","PeriodicalId":54278,"journal":{"name":"International Journal for Parasitology-Parasites and Wildlife","volume":"24 ","pages":"Article 100931"},"PeriodicalIF":1.8,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2213224424000270/pdfft?md5=037bb90a1a8a76d6c82661632496123f&pid=1-s2.0-S2213224424000270-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140618094","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ectoparasites of wild rodents in forest sites invaded and uninvaded by Maesopsis eminii in Amani nature forest reserve, Tanzania","authors":"Leticia J. Musese ,&nbsp;Amani S. Kitegile ,&nbsp;Charles J. Kilawe","doi":"10.1016/j.ijppaw.2024.100932","DOIUrl":"https://doi.org/10.1016/j.ijppaw.2024.100932","url":null,"abstract":"<div><p>Parasites are important component of communities in a forest ecosystem with profound effects on trophic interactions such as food web. Modification of the forest structure (e.g. changes in species composition and abundance of key species) can have a strong impact on the occurrence, diversity, and abundance of parasites, with subsequent repercussions for ecosystem functioning. In this study, we compared the occurrence and abundance of wild rodents’ ectoparasites from forest sites invaded and uninvaded by an invasive tree, <em>Maesopsis eminii</em> in Amani Nature Forest Reserve, Tanzania. Three large plots (40 m × 100 m) were randomly established in each forest sites invaded and uninvaded by <em>M. eminii.</em> In each plot, 50 Sherman traps were systematically placed at 10 m interval for capturing wild rodents through a capture-mark-recapture technique. Wilcox rank sum test was used to compare for differences in the abundance of infested rodents and ectoparasites between the invaded and uninvaded forest sites. A total of 297 individual rodents were captured and screened for ectoparasites, including 174 rodents from uninvaded forest site and 123 rodents from invaded forest site. The number of infested rodents were significantly (W = 8592, <em>P</em> &lt; 0.001) greater in uninvaded forest site (66.27%) than in the invaded forest site (36.2%). Furthermore, a significant greater number of <em>Echinolaelaps echidninus</em> (W = 1849, <em>P</em> &lt; 0.01) and <em>Dinopsyllus ellobius</em> (W = 2800.5, <em>P</em> &lt; 0.05) ectoparasites were found in uninvaded as compared to the invaded forest sites. The results of this study suggest that the invasion and dominance by, <em>M. eminii</em> in Amani Nature Reserve has created unfavorable conditions for rodents and ectoparasites and therefore impacting the diversity and function of the forest ecosystem. We recommend prevention of further introduction of the <em>M. eminii</em> outside their natural range and mitigating the impact of the established <em>M. eminii</em> in Amani Forest Nature Reserve.</p></div>","PeriodicalId":54278,"journal":{"name":"International Journal for Parasitology-Parasites and Wildlife","volume":"24 ","pages":"Article 100932"},"PeriodicalIF":1.8,"publicationDate":"2024-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2213224424000282/pdfft?md5=7c4d092aba02f4757c1c21e0d598baf4&pid=1-s2.0-S2213224424000282-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140345028","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Hidden diversity of cestodes in wild African carnivores: I. Non-taeniid cyclophyllideans","authors":"S. Dumendiak ,&nbsp;A. Halajian ,&nbsp;Y.T. Mekonnen ,&nbsp;O. Aschenborn ,&nbsp;G.J. Camacho ,&nbsp;R.K. Schuster ,&nbsp;U. Mackenstedt ,&nbsp;T. Romig ,&nbsp;M. Wassermann","doi":"10.1016/j.ijppaw.2024.100929","DOIUrl":"https://doi.org/10.1016/j.ijppaw.2024.100929","url":null,"abstract":"<div><p>Our knowledge of parasites in wildlife remains limited, primarily due to restricted access to samples, especially of parasites from protected species. This present study contributes to the comprehension of the enigmatic world of helminths of African wild mammals and cestode biodiversity by combining both molecular and morphological analysis. Cestode samples were opportunistically collected from 77 individual definitive hosts in South Africa, Namibia and Ethiopia, encompassing 15 different species of wild African carnivores and additionally domestic cats. The analysis revealed 32 different cyclophyllidean species of which 21 (65.6 %) represent previously unknown genetic entities. They belong to the families Mesocestoididae, Hymenolepididae, Dipylidiidae and Taeniidae. Here we cover the non-taeniid cestodes, while the taeniids will be addressed in a separate publication. Three of the non-taeniid species uncovered in this study could be assigned to the genus <em>Mesocestoides</em> and were isolated from servals and domestic cats. The white-tailed mongoose was found to be a suitable host for a species belonging to the Hymenolepididae, which was identified as <em>Pseudandrya</em> cf. <em>mkuzii</em>. Both feline and canine genotypes of <em>Dipylidium caninum</em> were detected in domestic cats, the canine genotype also in an African wolf. In addition to these, a novel species of <em>Dipylidium</em> was discovered in an aardwolf. Lastly, four distinct species of <em>Joyeuxiella</em> were found in this study, revealing a cryptic species complex and emphasizing the need for a taxonomic reassessment of this genus. Despite the limited scope of our study in terms of geography and sample size, the results highlight that biodiversity of cestodes in African wild mammals is grossly under-researched and follow-up studies are urgently required, in particular linking morphology to gene sequences.</p></div>","PeriodicalId":54278,"journal":{"name":"International Journal for Parasitology-Parasites and Wildlife","volume":"24 ","pages":"Article 100929"},"PeriodicalIF":1.8,"publicationDate":"2024-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2213224424000257/pdfft?md5=f3c9f9f6db78a83ceec7c3a971ca7aa5&pid=1-s2.0-S2213224424000257-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140342251","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ophiotaenia karipuna n. sp. (Eucestoda: Proteocephalidae), a parasite of Erythrolamprus miliaris (Linnaeus, 1758), with redescription of Ophiotaenia arandasi (Santos and Rolas, 1973) from the Brazilian Amazon","authors":"Luiz Felipe Ferreira Trindade ,&nbsp;Adriano José Silva Félix ,&nbsp;Gabriel Lima Rebêlo ,&nbsp;Jorge Kevin Silva Neves ,&nbsp;Deivyson João Malcher Paixão ,&nbsp;Marcos Roberto Dias-Souza ,&nbsp;Carlos Eduardo Costa-Campos ,&nbsp;Jeannie Nascimento Santos ,&nbsp;Francisco Tiago Vasconcelos Melo","doi":"10.1016/j.ijppaw.2024.100930","DOIUrl":"10.1016/j.ijppaw.2024.100930","url":null,"abstract":"<div><p><em>Ophiotaenia</em> is the most diverse genus among proteocephalids, composed of species commonly found parasitizing snakes worldwide. However, the diversity of <em>Ophiotaenia</em> in the Neotropical region is still underestimated. This study describes <em>Ophiotaenia karipuna</em> n. sp. found parasitizing <em>Erythrolamprus miliaris</em> in the State of Amapá, Brazil. Additionally, we redescribe <em>Ophiotaenia arandasi</em> based on a re-examination of type series and newly collected material from <em>Erythrolamprus taeniogaster</em> in the State of Pará, Brazil. The new species differs from its congeners in the following characteristics: scolex width, number of testes, relative length of the cirrus–sac, absence of a vaginal sphincter, presence of a vestigial apical organ resembling a sucker, and relative size of the ovary in relation to the surface of the proglottid. Furthermore, we provide taxonomic information for <em>Ophiotaenia arandasi</em> not reported in the original description, including morphology of embryophore, uterine development, and the absence of the vaginal sphincter in the species. <em>Ophiotaenia karipuna</em> n. sp. represents the 21st- species described in snakes -from the Neotropical region and the first formally described in the Brazilian Amazon. Additionally, we provide the first ultrastructural analysis, a new host, and locality records for <em>O. arandasi</em>.</p></div>","PeriodicalId":54278,"journal":{"name":"International Journal for Parasitology-Parasites and Wildlife","volume":"24 ","pages":"Article 100930"},"PeriodicalIF":1.8,"publicationDate":"2024-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2213224424000269/pdfft?md5=452af9988f3ce8ab19acdac01541224c&pid=1-s2.0-S2213224424000269-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140405146","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Helminth infection in wild boars in Primorye, Russia","authors":"Tatyana V. Tabakaeva ,&nbsp;Yurii A. Belov ,&nbsp;Egor M. Shchelkanov ,&nbsp;Dmitrii V. Pankratov ,&nbsp;Anon V. Tabakaev ,&nbsp;Irina V. Galkina ,&nbsp;Michael Y. Shchelkanov","doi":"10.1016/j.ijppaw.2024.100927","DOIUrl":"10.1016/j.ijppaw.2024.100927","url":null,"abstract":"<div><p>Wild boars have a worldwide distribution and also have major economic, veterinary, and medical importance. Due to a small amount of data on the parasitic fauna of wild boars in the Russian Far East, especially in Prymorye territory, a post-mortem parasitic examination of 20 wild boars was provided. The general prevalence was 25%, and a total of six helminth species, including one larva stage, were found. The most prevalent helminth species <em>were Gnathostoma doloresi</em> (25%) and <em>Metastrongylus elongatus</em> (20%). Followed by <em>Trichuris suis</em> and <em>Ascaris suum</em> (15%). The lowest prevalence was registered for <em>Cysticercus tenuicollis</em> (the larvae stage of <em>T. hydatigena</em>). Parasites were found in each region, with the highest prevalence registered in the Chuguevskii region. Totally 100% of adult boars were positive for helminth infections, instead of 60% of young specimens. Some helminthes found (<em>G. doloresi, T. suis, A. suum</em>) have zoonotic potential and can be involved in the circulation of human parasitic diseases, especially in rural areas. Further research work on parasitic infections in wild boars in Prymorye is necessary due to the high prevalence of helminthes in wild boars.</p></div>","PeriodicalId":54278,"journal":{"name":"International Journal for Parasitology-Parasites and Wildlife","volume":"24 ","pages":"Article 100927"},"PeriodicalIF":1.8,"publicationDate":"2024-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2213224424000233/pdfft?md5=560df673f9b54142a73602f4bd29d50b&pid=1-s2.0-S2213224424000233-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140399132","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}