Family CORYNEBACTERIACEAE
* Corynebacterium diphtheriae (Flügge) Lehmann and Neumann
Experimental vectors.—Blatta orientalis, Italy (Cao, 1898).
Cockroaches, U.S.A. (Longfellow, 1913).
Family ACHROMOBACTERIACEAE
† Achromobacter hyalinum (Jordan) Bergey et al.
Natural vectors.—Periplaneta americana, U.S.A. (Hatcher, 1939): Isolated from feces.
Achromobacter sp.
Natural vectors.—Blattella germanica, U.S.A. (Janssen and Wedberg, 1952).