Natural vectors.—Periplaneta americana, U.S.A. (Eads et al., 1954).
* Salmonella sp. (Type Tennessee)
Natural vectors.—Periplaneta americana, U.S.A. (Eads et al., 1954).
* Salmonella typhimurium (Loeffler) Castellani and Chalmers
Natural vectors.—Blattella germanica, Belgium (Graffar and Mertens, 1950).
Nauphoeta cinerea, Australia (Mackerras and Mackerras, 1948).
Experimental vectors.—Blaberus craniifer, U.S.A. (Wedberg et al., 1949).
Blatta orientalis, U.S.S.R. (Rozengolts and I͡udina in Pavlovskii, 1948).
Blattella germanica, Belgium (Graffar and Mertens, 1950); U.S.A. (Olson and Rueger, 1950; Janssen and Wedberg, 1952; Beck and Coffee, 1943); U.S.S.R. (Rozengolts and I͡udina in Pavlovskii, 1948).
Nauphoeta cinerea, Australia (Mackerras and Pope, 1948).