| a new species of foleyellides (nematoda: onchocercidae) parasite of lithobates spp. (amphibia: ranidae) from mexico with a key for the species of the genus. | thirty-six foleyellides mayenae n. sp. were recovered from the body cavity of lithobates psilonota (webb, 2001) and l. pustulosus (boulenger, 1883) (ranidae) from jalisco and nayarit, respectively. foleyellides mayenae is the eleventh species described for the genus and the third for mexican amphibians; it differs from the other species of the genus by the following combined characters: five pairs of caudal papillae, 1 pre-anal, 1 adanal and 3 post-cloacal, and the absence of a preanal plaque. | 2016 | 27701244 |
| a new species of haematoloechus looss, 1899 (digenea: plagiorchioidea: haematoloechidae), a parasite of rana psilonota webb and r. zweifeli hillis, frost & webb (anura: ranidae) in mexico. | during an inventory of the helminths of amphibians in mexico, specimens of an undescribed species of haematoloechus looss, 1899 (digenea: haematoloechidae) were collected from the lungs of frogs of the "tarahumarae" group in western méxico. haematoloechus longicollum n. sp. differs from other known species of haematoloechus by the combination of the following characters: body elongate and slender in the preovarian region and broad and blunt in the postovarian region, ovary separated from the ven ... | 2017 | 28429172 |
| a new species of halipegus looss, 1899 (trematoda: derogenidae) parasitic in rana psilonota webb, 2001 of atenquique, jalisco, mexico. | during an inventory of parasites of anurans in occidental mexico, an apparently undescribed species of halipegus was found under the tongue of rana psilonota webb, 2001. the objective of this study is to describe this new species. halipegus psilonotae differs from all other congeners by the combination of the following characters: parasite under the tongue of frogs, body size small, ventral sucker representing 0.19-0.2 of body length, ovary smaller than testes, egg filament short (27.5-40). | 2013 | 23905698 |