| description of adult and fourth-stage larva of litomosoides navonae n. sp. (nematoda: onchocercidae), a parasite of five species of sigmodontine rodents from northeastern argentina. | this study describes a new species of litomosoides chandler, 1931, parasitic in five different sigmodontine rodents from misiones, chaco and formosa provinces of argentina. the fourth-stage (l4) larva (male and female) is also described. l. navonae n. sp. exhibits: a bottle-shaped buccal cavity; a buccal capsule with irregularly crenate external walls; four externo-labial papillae and one ventral cephalic papilla; a well differentiated oesophagus; and sigmodontis-type spicules. the microfilaria ... | 2005 | 16315077 |
| the genus guerrerostrongylus (nematoda: heligmonellidae) in cricetid rodents from the atlantic rain forest of misiones, argentina: emended description of guerrerostrongylus zetta (travassos, 1937) and description of a new species. | two species of guerrerostrongylus sutton and durette-desset, 1991, are reported in cricetid rodents from the atlantic rain forest of misiones, argentina. guerrerostrongylus zetta (travassos, 1937) is redescribed on the basis of material collected from oligoryzomys nigripes from argentina and material loaned by chioc from brazil. it is characterized by a synlophe with about 40-45 (35-48) well-developed cuticular ridges, caudal bursa with long rays 6 and dorsal ray divided at mid-length, and well- ... | 2012 | 22494032 |
| description of the helminth communities of sympatric rodents (muroidea: cricetidae) from the atlantic forest in northeastern argentina. | taxonomic and ecological aspects of the helminths found in the assemblage of sigmodontine rodents (cricetidae-muroidea) of the atlantic forest in argentina are studied in this paper. the following species akodon montensis, brucepattersonius sp. and thaptomys nigrita (tribe akodontini), as well as, euryoryzomys russatus, nectomys squamipes, oligoryzomys nigripes, and sooretamys angouya (tribe oryzomyini) are analyzed. a complete taxonomic list with a total of 25 species of helminths, including di ... | 2017 | 29242441 |