The cockroach as an experimental vector of the virus of spontaneous mouse encephalomyelitis (Theiler).
Theiler has determined that it is transmitted by an Ixodid tick, Margaropus decoloratus.
Theiler Thei·ler (tī'lər), Max. 1899-1972. South African-born American microbiologist. He won a 1951 Nobel Prize for developing a vaccine for yellow fever.