Eutrombicula splendens is a species of chigger. In Florida, it has been found on the marsh rice rat (Oryzomys palustris) and hispid cotton rat (Sigmodon hispidus).Worth, 1950, p. 330
See also List of parasites of the marsh rice rat
References
Literature cited Worth, C.B. 1950. Observations on ectoparasites of some small mammals in Everglades National Park and Hillsborough County, Florida (subscription required). The Journal of Parasitology 36(4):326–335.