Experimental host.—Blatta orientalis, France (Picard and Blanc, 1913): The organism was pathogenic to B. orientalis when injected.
Family BACILLACEAE
* Bacillus anthracis Cohen emend. Koch
Experimental vectors.—Blatta orientalis, Italy (Cao, 1898, 1906); Germany (Küster, 1903).
† Bacillus bütschlii Schaudinn
Habitat.—Blatta orientalis, Germany (Schaudinn, 1902): Isolated from intestinal tract. Three percent of the cockroaches from Berlin bakeries were infected.
Bacillus cereus Frankland and Frankland
Synonymy.—Bacillus albolactis.
Habitat.—Soil, dust, milk, plants.
Natural vectors.—Blaberus craniifer, U.S.A. (Wedberg et al., 1949): From feces.