The Biotic Associations of Cockroaches

by Louis M. Roth; Edwin R. Willis

Experimental vectors.—Blatta orientalis, Italy (Cao, 1898; Spinelli and Reitano, 1932).

Blattella germanica, Orient (Toda, 1923); Germany (Jettmar, 1927).

Periplaneta americana, Philippine Islands (Barber, 1914); Netherlands (Akkerman, 1933); Formosa (Morischita and Tsuchimochi, 1926).

Periplaneta australasiae, Formosa (Morischita and Tsuchimochi, 1926).

* Vibrio metschnikovii Gamaléia

Experimental vectors.—Blatta orientalis, Italy (Cao, 1898, 1906).

Vibrio tyrogenus (Flügge) Holland

Synonymy.—Vibrio of Deneke.

Experimental vectors.—Blatta orientalis, Italy (Cao, 1898): The organism passed through the intestinal tract unchanged.