rickettsia asiatica rickettsia asiatica rickettsia asiatica is a tick-borne pathogenic species borne by ixodes ovatus. the type strain of rickettsia asiatica sp. nov. is io-1t (=csur r2t). rickettsia asiatica scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rickettsiales family: rickettsiaceae genus: rickettsia species group: spotted fever group species: r. asiatica binomial name rickettsia asiaticafujita et al. 2006