| amphimerus bragai n. sp. (digenea: opisthorchiidae), a parasite of the rodent nectomys squamipes (cricetidae) from minas gerais, brazil. | amphimerus bragai n.sp. (digenea, opisthorchiidae) from the bile ducts of a rodent from the state of minas gerais, brazil, nectomys squamipes (cricetidae), is described. the new species as studied by both light and scanning electron microscopy. a table is presented comparing the measurements of the new species with those of a. lancea (diesing, 1850) and a. vallecaucensis thatcher; 1970, parasites of dolphins and marsupials, respectively. the new species is similar in size and body form to a. val ... | 1998 | 9698889 |
| new records and laboratory-rearing data for ixodes schulzei (acari: ixodidae) in brazil. | ixodes schulzei aragão and fonseca was described from brazil in 1951 based on female ticks collected on wild rats from the states of rio de janeiro and santa catarina. since that time, there have been no additional reports of i. schulzei in the literature. we report two new records of i. schulzei: a female collected on the water rat nectomys squamipes (brants) from minas gerais state, and another female from this same host species from são paulo state. this last specimen was engorged and oviposi ... | 2003 | 12597665 |
| 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 |
| spotted fever group rickettsia in small rodents from areas of low endemicity for brazilian spotted fever in the eastern region of minas gerais state, brazil. | we investigated the humoral immune response against different species of rickettsia in serum samples from small rodents collected in two areas of a silent focus for brazilian spotted fever in the eastern region of minas gerais state, brazil. sera samples were analyzed by indirect immunofluorescence assay using antigens from rickettsia species of the spotted fever, ancestral, and transition groups. titers ≥ 1:64 were considered positive. in santa cruz do escalvado, 94% (30 of 32) of the samples c ... | 2013 | 23509125 |