first report of hepatozoon sp. in the oregon spotted frog, rana pretiosa. | from 2005 through 2008, we screened 650 oregon spotted frogs (rana pretiosa) from three populations in central oregon, usa, for hemoparasites. a hepatozoon sp., not previously reported in r. pretiosa, was found in one population of frogs, mostly as intracellular gamonts at a prevalence of 10.5% with parasitemias ranging from 0.02% to greater than 42% of erythrocytes within individual frogs. intra-and extracellular merozoites were present, but rare. a potential vector, the mosquito culex boharti, ... | 2010 | 20688705 |