Helminth communities of sigmonontine rodents in cocoa agroforestry systems in Brazil

Kersul, Maíra Guimarães; Costa, Natália Alves; Boullosa, Raquel Gonzalez; Silva, Adna A.S.; Rios, Élson Oliveira; Munhoz, Alexandre Dias; Andrade-Silva, Beatriz Elise de; Júnior, Arnaldo Maldonado; Gentile, Rosana; Alvarez, Martín Roberto Del Valle

doi:10.1016/j.ijppaw.2019.11.008

Cited by 10 publications

(19 citation statements)

References 37 publications

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“…The specimens of Hassalstrongylus sp. recovered from Hyleamys seuanezi by Kersul et al (2019) were compared with the specimens of the present study, which confirmed that they are H. lauroi.…”

Section: Discussionsupporting

confidence: 85%

“…on the water-rat N. squamipes in Serra do Tabuleiro State Park, state of Santa Catarina. Kersul et al (2019) also registered H. epsilon in this host in Ilhéus, Bahia. The specimens of Hassalstrongylus sp.…”

Section: Discussionmentioning

confidence: 57%

“…The only study so far to have reported on the helminth fauna of H. seuanezi was carried out in agroforestry areas in the municipality of Ilhéus, state of Bahia, northeastern Brazil (Kersul et al, 2019). In that study, occurrences of Hassalstrongylus sp.…”

Section: Introductionmentioning

confidence: 99%

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New species of Hassalstrongylus (Trichostrongyloidea: Heligmonellidae) in the large-headed rice rat Hylaeamys seuanezi, in the Atlantic Forest of northeast Brazil

Costa

Gentile

Kersul

et al. 2021

Rev. Bras. Parasitol. Vet.

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A new species of Trichostrongyloidea (Nematoda: Heligmonellidae), Hassalstrongylus lauroi n. sp., is described from specimens collected from the small intestine of the rodent Hylaeamys seuanezi in the Atlantic Forest of northeastern Brazil (Igrapiúna, state of Bahia). The genus Hassalstrongylus includes 17 species, which parasitize rodents occurring in the Neotropical and Nearctic regions. It differs from the genus Stilestrongylus through its smaller number of ridges in the synlophe and through the size of the genital cone. The main taxonomic characteristics of this new species are the subsymmetrical caudal bursa of type 2-2-1, ray 8 branching out at the base of the dorsal trunk, right lobe smaller than the left, and rays 4 and 5 of robust nature. In addition, the ornamental ray 5 and the robustness of ray 4 on the male caudal bursa, along with the modification of the ridges of the posterior end of the female, allow us to consider the specimens found to be a new species.

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Section: Discussionsupporting

confidence: 85%

Section: Discussionmentioning

confidence: 57%

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New species of Hassalstrongylus (Trichostrongyloidea: Heligmonellidae) in the large-headed rice rat Hylaeamys seuanezi, in the Atlantic Forest of northeast Brazil

Costa

Gentile

Kersul

et al. 2021

Rev. Bras. Parasitol. Vet.

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“…Moreover, this study also contributes to the helminth fauna of sigmodontine rodents in an agroforestry mosaic area in the Brazilian Atlantic Forest. Only one study of the helminth fauna of mammals has been carried out in agroforestry areas in Brazil, also in the state of Bahia ( Kersul et al, 2020 ). In addition to that study, reports of helminths in rodents in the state of Bahia registered the presence of Schistosoma mansoni in the water rat N. squamipes ( Silva and Andrade, 1989 ) and the helminth community of the common rat Rattus norvegicus in urban areas ( Carvalho-Pereira et al, 2018 ).…”

Section: Discussionmentioning

confidence: 99%

Helminths of sigmodontine rodents in an agroforestry mosaic in the Brazilian Atlantic Forest: Patterns and processes of the metacommunity structure

Costa

Cardoso

Costa-Neto

et al. 2022

International Journal for Parasitology: Parasites and Wildlife

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“…tentaculata in female hosts contradict the typical pattern and may indicate a larger exposure or susceptibility of females to this species. Other studies have recorded higher helminth infection rates in female small mammals (Simões et al ., 2014; Cardoso et al ., 2019; Boullosa et al ., 2020; Kersul et al ., 2020). Regarding host age, C .…”

Section: Discussionmentioning

confidence: 99%

Gleasonian structure in the helminth metacommunity of the opossumDidelphis albiventrisin two extremes of the Atlantic Forest

et al. 2022

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Didelphis albiventris is the opossum with the largest geographic distribution in Brazil and has a wide spectrum of helminth parasites. This study aimed to describe the species composition and analyse the structure of helminth communities of D. albiventris in two extremes of the Atlantic Forest in Brazil. The influence of host sex, body mass, age, helminth species richness and locality on the abundance and prevalence of the most prevalent helminth species was investigated. Ninety-five per cent of the animals were infected with at least one species. Nine helminth species were found: the nematodes Aspidodera raillieti, Cruzia tentaculata, Trichuris didelphis and Trichuris minuta in the large intestine; Turgida turgida in the stomach; Travassostrongylus orloffi and Viannaia hamata; and the trematodes Brachylaima advena and Rhopalias coronatus in the small intestine. Three helminth morphospecies were also recovered: the nematodes Hoineffia sp. and Viannaia sp. and a cestode in the small intestine. Cruzia tentaculata and V. hamata were the species with the highest mean abundances and intensities, while the most prevalent species were A. raillieti, C. tentaculata, T. turgida and V. hamata, forming the central nucleus of the helminth component community. The analysis of the helminth metacommunity structure indicated a Gleasonian pattern for the total set of infracommunities, corroborating the beta diversity indices, which indicated more species replacement than loss between localities and infracommunities, although at a low level. The results indicated a stronger influence of host attributes than geographical distance on the community structure.

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Helminth communities of sigmonontine rodents in cocoa agroforestry systems in Brazil

Cited by 10 publications

References 37 publications

New species of Hassalstrongylus (Trichostrongyloidea: Heligmonellidae) in the large-headed rice rat Hylaeamys seuanezi, in the Atlantic Forest of northeast Brazil

New species of Hassalstrongylus (Trichostrongyloidea: Heligmonellidae) in the large-headed rice rat Hylaeamys seuanezi, in the Atlantic Forest of northeast Brazil

Helminths of sigmodontine rodents in an agroforestry mosaic in the Brazilian Atlantic Forest: Patterns and processes of the metacommunity structure

Gleasonian structure in the helminth metacommunity of the opossumDidelphis albiventrisin two extremes of the Atlantic Forest

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