Aerobacter aerogenes (Kruse) Beijerinck

Synonymy.Bacillus lactis aerogenes.

Habitat.—Grains, plants, intestinal tract of man and other animals.

Natural vectors.Blaberus craniifer, U.S.A. (Wedberg et al., 1949): Isolated from feces.

Blatta orientalis, Poland (Nicewicz et al., 1946): Isolated from intestinal tract.

Blattella germanica, on shipboard (Morrell, 1911): Isolated from feces.

Periplaneta americana, U.S.A. (Bitter and Williams, 1949): Isolated from intestinal tract.

Cockroaches [presumably Blatta orientalis, Blattella germanica and/or Periplaneta americana], Egypt (El-Kholy and Gohar, 1945): Isolated from outer surface of body, intestinal tract, and suspensions of macerated whole insects.