* 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).
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).