Natural vectors.—Blattella germanica, U.S.A. (Janssen and Wedberg, 1952).
Periplaneta americana, U.S.A. (Bitter and Williams, 1949).
* Paracolobactrum coliforme Borman, Stuart and Wheeler
Natural vectors.—Blattella germanica, U.S.A. (Janssen and Wedberg, 1952).
Periplaneta americana, U.S.A. (Bitter and Williams, 1949).
* Paracolobactrum spp.
Natural vectors.—Blatta orientalis, U.S.A. (Olson and Rueger, 1950).
Blattella germanica, U.S.A. (Olson and Rueger, 1950).
Periplaneta americana, U.S.A. (Bitter and Williams, 1949; Olson and Rueger, 1950).