Evidence map›Paper›PMID 41801581›Full record

ArticleActa parasitologica2026

Pellioditis abyssinica n. sp. (Nematoda: Rhabditidae), a gastropod-associated nematode from Subulinidae snails in Ethiopia: description and molecular affiliation.

E S Ivanova, Sergei E Spiridonov

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Article in Acta parasitologica, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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2 authors.

E S IvanovaCentre of Parasitology, A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Leninskii Prospect 33, 119071, Moscow, Russia. elena_s_ivanova@rambler.ru.ORCID https://orcid.org/0000-0002-9137-8775
Sergei E SpiridonovCentre of Parasitology, A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Leninskii Prospect 33, 119071, Moscow, Russia.ORCID https://orcid.org/0000-0001-6657-0418

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6 · The paper itself

Abstract

purposeThe study describes the new species of a gastropod-associated nematode from Ethiopia.

methodsNematodes were isolated from snails collected in Ethiopia and were studied using morphological and molecular-phylogenetic methods of analyses.

resultsThe new species Pellioditis abyssinica is described as the sixth species of the genus originating in African continent. It is characterised by the infective juveniles 1013 (708–1267) µm long with a wide lateral field of 10–11 ridges, longish stoma of adult nematodes, females with long conical tails and prominent phasmids situated at anterior third of tail, males with holed spicules ca 65 µm long and unique molecular characteristics. Presence of 10–11 lateral ridges in ensheathed IJ is unique within the genus. DNA sequences for 18S rDNA, ITS rDNA and Cox1 mtDNA loci were obtained. Molecular-phylogenetic analysis placed the new species in the clade with another African Pellioditis, P. kenyensis.

conclusionGastropod-associated nematodes of the genus Pellioditis in the African continent are represented by at least seven species grouped in three clades, one of European origin and the rest native. Yet several more isolates remain undescribed. Both local and alien gastropod hosts were recorded for different Pellioditis species.

Indexed as

RhabditidaSnailsAnimalsDNA, HelminthDNA, MitochondrialDNA, RibosomalDNA, Ribosomal SpacerElectron Transport Complex IVEthiopiaFemaleMalePhylogenyRNA, Ribosomal, 18SSequence Analysis, DNADNA, HelminthDNA, MitochondrialDNA, RibosomalDNA, Ribosomal SpacerElectron Transport Complex IVRNA, Ribosomal, 18S18S rDNACox1 mtDNAITS rDNAPellioditisPhasmarhabditisPhylogeny of African PellioditisSEM

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