| small mammal populations of an agroecosystem in the atlantic forest domain, southeastern brazil. | this study reports 2 years of the population dynamics and reproduction of a small mammal community using the removal method. the study was conducted in a rural area of the atlantic forest, in sumidouro, rio de janeiro state, brazil. the population sizes, age structure and reproduction were studied for the four most common species in the study area. the overall diversity was 1.67 and ranged between 0.8 to 1.67. the species richness was 13 considering the whole study. the most abundant species wer ... | 2007 | 17505767 |
| a new species of eimeria schneider, 1875 from the serra dos órgãos national park, rio de janeiro, brazil, with notes on its endogenous development in the montane grass mouse, akodon montensis thomas, 1913 (rodentia: sigmodontinae). | a total of 53 specimens of the montane grass mouse, akodon montensis thomas, 1913 were collected in the serra dos órgãos national park (sonp) in november 2014 and july 2015. the fecal material was analyzed, and a prevalence of 7.5% was recorded for a new coccidian species of the genus eimeria schneider, 1875, with part of its endogenous development recorded in the small intestine. the oocysts of a new coccidian species of genus eimeria are ellipsoidal to subspherical. the wall is bi-layered, c. ... | 2018 | 29230581 |
| a new metastrongilid species (nematoda: metastrongylidae): a lungworm from akodon montensis (rodentia: sigmodontinae) in brazil. | angiostrongylus lenzii n. sp. (nematoda: metastrongyloidea) is described and illustrated from the pulmonary artery of the wild rodent akodon montensis thomas, 1913, collected in the municipality of teresopólis, rio de janeiro state, brazil. it represents the 17th species of the genus and the 2nd in south america as parasites in rodents. this new species is the most similar morphologically to angiostrongylus vasorum, angiostrongylus gubernaculatus, angiostrongylus schmidti, and angiostrongylus mo ... | 2009 | 19566346 |
| variation in the helminth community structure of three sympatric sigmodontine rodents from the coastal atlantic forest of rio de janeiro, brazil. | one hundred and eighty specimens of sigmodontine rodents living in sympatric conditions were collected in the atlantic forest in the state of rio de janeiro, brazil (25 akodon cursor, 98 akodon montensis and 57 oligoryzomys nigripes) to examine whether the helminth structure and component communities can be characterized among these three closely related rodents. the parasite species richness was 9 in a. cursor, 12 in a. montensis and 12 in o. nigripes. five species were common to the three rode ... | 2011 | 20701831 |
| noteworthy records of ixodes schulzei (acari: ixodidae) on rodents from the state of parana, southern brazil. | ixodes schulzei aragão & fonseca is an endemic tick to brazil and has already been reported in the northern (state of rondonia), southeastern (states of minas gerais, rio de janeiro and sao paulo) and southern (state of santa catarina) regions, always found in association with the water rat nectomys squamipes (brandt). this communication records the first occurrence of this tick species in the state of parana, southern region of brazil, and it constitutes its first report on akodon montensis (th ... | 2013 | 24252964 |
| additional data on the synlophe of stilestrongylus aculeata (travassos, 1918) and stilestrongylus eta (travassos, 1937) (heligmonellidae) parasitic in akodon montensis (sigmodontinae) from the atlantic forest. | additional data on the synlophe and morphological measurements are provided for the heligmonellids stilestrongylus aculeata (travassos, 1918) and stilestrongylus eta (travassos, 1937), collected from akodon montensis thomas, 1913, of the atlantic forest, rio de janeiro, brazil. the synlophe of s. aculeata is characterized by 19 cuticular middle body ridges in males and 24 cuticular middle body ridges in females, whereas s. eta presents 17 middle body ridges in males and 20 middle body ridges in ... | 2014 | 24224841 |