Natural vectors.—Cockroaches [presumably Blatta orientalis, Blattella germanica and/or Periplaneta americana], Egypt (El-Kholy and Gohar, 1945).
* Proteus mirabilis Hauser
Natural vectors.—Periplaneta americana, U.S.A. (Bitter and Williams, 1949, 1949a).
* Proteus morganii (Winslow et al.) Rauss
Natural vectors.—Periplaneta americana, U.S.A. (Bitter and Williams, 1949, 1949a).
Cockroaches [presumably Blatta orientalis, Blattella germanica, and/or Periplaneta americana], Egypt (El-Kholy and Gohar, 1945).
* Proteus rettgeri (Hadley et al.) Rustigian and Stuart
Natural vectors.—Periplaneta americana, U.S.A. (Bitter and Williams, 1949).