Results 31 to 40 of about 460 (127)

Una especie nueva de Paraheligmonella (Nematoda, Heligmonellidae), parásita de Sylvilagus fl oridanus (Leporidae) en Costa Rica

open access: yesRevista Mexicana de Biodiversidad, 2008
SE DESCRIBE PARAHELIGMONELLA LAMOTHEI N. SP., PARÁSITA DEL INTESTINO DELGADO DE SYLVILAGUS FLORIDANUS (ALLEN, 1890) (LEPORIDAE) DE COSTA RICA. SE APORTAN ADEMÁS DATOS NUEVOS MORFOLÓGICOS SOBRE EL SYNLOPHE Y LA BOLSA CAUDAL DE PARAHELIGMONELLA ROMEROLAGI
E.J. METZGER   +2 more
doaj   +1 more source

Assessment of the anthelmintic effect of natural plant cysteine proteinases against the gastrointestinal nematode, Heligmosomoides polygyrus, in vitro [PDF]

open access: yes, 2005
We examined the mechanism of action and compared the anthelmintic efficacy of cysteine proteinases from papaya, pineapple, fig, kiwi fruit and Egyptian milkweed in vitro using the rodent gastrointestinal nematode Heligmosomoides polygyrus.
Behnke, Jerzy M.   +4 more
core   +3 more sources

EMENDED DESCRIPTION AND REDETERMINATION OF SARWARIA CABALLEROI N. COMB. (NEMATODA: OSTERTAGIINAE) WITH DETAILS OF THE SYNLOPHE AND ESOPHAGEAL CHARACTERS

open access: yesJournal of Parasitology, 2007
Among genera of the ostertagiine nematodes, structural attributes of Spiculopteragia caballeroi are consistent with criteria that diagnose the genus Sarwaria. Specifically, the following characters are compatible with referral to this genus: (1) species characterized by monomorphic males; (2) tapering lateral synlophe in the cervical zone; (3 ...
Hoberg, Eric P., Abrams, Arthur
openaire   +3 more sources

Comparisons of Two Polymorphic Species of \u3ci\u3eOstertagia\u3c/i\u3e and Phylogenetic Relationships within the Ostertagiinae (Nematoda: Trichostrongyloidea) Inferred from Ribosomal DNA Repeat and Mitochondrial DNA Sequences [PDF]

open access: yes, 1998
The first internal transcribed spacer DNA (ITS-1) (rDNA) and the mitochondrial (mt) DNA-derived cytochrome oxidase I gene (COX-1) were enzymatically amplified, cloned and sequenced from 6 nominal species of Ostertagiinae as well as Haemonchus contortus ...
Zarlenga, Dante S.   +3 more
core   +2 more sources

Graphidioides subterraneus n. sp. (Nematoda: Trichostrongyloidea) from the South American subterranean rodent Ctenomys talarum Thomas, 1898 (Rodentia: Octodontidae)

open access: yesParasite, 2005
A new nematode species, Graphidioides subterraneus n. sp., found in the stomach of C. talarum from Argentina is described. The new species more closely resembles G.
Rossin M.A., Timi J.T., Malizia A.I.
doaj   +1 more source

Parasites of South African wildlife. XVIII. Cooperia pigachei n. sp. (Nematoda : Cooperiidae) from the mountain reedbuck, Redunca fulvorufula (Afzelius, 1815)

open access: yesOnderstepoort Journal of Veterinary Research, 2004
A new species of Cooperia, for which the name Cooperia pigachei n. sp. is proposed, was recovered from a mountain reedbuck, Redunca fulvorufula, from the Sterkfontein Dam Nature Reserve, Free State Province, and is described and illustrated.
J. Boomker, W.A. Taylor
doaj   +1 more source

Taxonomic revision of the genus Neoheligmonella Durette-Desset, 1971 (Nematoda, Heligmonellidae) parasitic in Muridae mainly from the Ethiopian Region [PDF]

open access: yes, 2013
The genus Neoheligmonella Durette-Desset, 1971 (Nippostrongylinae) is revised and split into three genera, one of them with two subgenera. The new genera can be discriminated mainly by characters of the synlophe which had been not considered previously ...
Digiani, Maria Celina   +1 more
core   +2 more sources

Helminths of small rodents (Heteromyidae and Cricetidae) in the Yucatan Peninsula, Mexico: an integrative taxonomic approach to their inventory [PDF]

open access: yes, 2023
In this survey, we inventoried the helminths of heteromyid and cricetid rodents captured in the Yucatan Peninsula from 2017 to 2019. Helminths were identified using morphological techniques (clearing, staining, and scanning electron microscopy).
Cárdenas-Vargas, Miguel Humberto   +8 more
core   +1 more source

Description of two new species of Nippostrongylinae (Nematoda, Trichostrongylina, Heligmosomoidea) coparasites in Arvicanthis ansorgei (Muridae) from Cameroon

open access: yesParasite, 2005
In the small intestine of a single Arvicanthis ansorgei from Cameroon, two new species of Nippostrongylinae were found: Neoheligmonella zera n. sp. and Heligmonina camerounensis n. sp. N.
Diouf M.   +2 more
doaj   +1 more source

Parasitism of two zoonotic reservoirs Dasyprocta leporina and D. fuliginosa (Rodentia) from Amazonas, with Trichostrongylina nematodes (Heligmonellidae): description of a new genus and a new species

open access: yesMemorias do Instituto Oswaldo Cruz, 2007
A new genus and a new species of Heligmonellidae nematodes are described parasiting the stomach of three agoutis (two Dasyprocta fuliginosa and one D. leporina) captured in the middle and high Negro river microregion, state of Amazonas, Brazil.
Alessandra Queiroga Gonçalves   +2 more
doaj   +1 more source

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