* Shigella dysenteriae (Shiga) Castellani and Chalmers
Experimental vectors.—Blatta orientalis, Italy (Spinelli and Reitano, 1932).
Periplaneta americana, Formosa (Morischita and Tsuchimochi, 1926).
Polyphaga saussurei, U.S.S.R. (Zmeev in Pavlovskii, 1948).