Blattella germanica, Germany (Jettmar, 1935).

Experimental vectors.Blattella germanica, on shipboard (Morrell, 1911); Germany (Vollbrechtshausen, 1953).

Micrococcus sp.

Natural vectors.Periplaneta americana? ("Blatella americana"), England (Shrewsbury and Barson, 1948): From intestinal tract.

† Sarcina alba Zimmermann

Habitat.—Water.

Natural and experimental vectors.Blatta orientalis, Italy (Cao 1898, 1906): From intestinal contents.

Sarcina aurantiaca Flügge

Habitat.—Air and water.

Experimental vectors.Blatta orientalis, Italy (Cao, 1906): Intestinal contents.