The Biotic Associations of Cockroaches

by Louis M. Roth; Edwin R. Willis

Periplaneta americana, U.S.A. (Beck and Coffee, 1943; Jung and Shaffer, 1952).

Periplaneta australasiae and Supella supellectilium, Australia (Mackerras and Pope, 1948).

Polyphaga saussurei, U.S.S.R. (Zmeev in Pavlovskii, 1948).

* Salmonella typhosa (Zopf) White

Natural vectors.—Blatta orientalis, Italy (Antonelli, 1930, 1943).

Experimental vectors.—Blaberus craniifer, U.S.A. (Wedberg et al., 1949).

Blatta orientalis, Italy (Spinelli and Reitano, 1932); U.S.A. (McBurney and Davis, 1930); U.S.S.R. (Rozengolts and I͡udina in Pavlovskii, 1948).

Blattella germanica, U.S.A. (Janssen and Wedberg, 1952); Germany (Jettmar, 1927); U.S.S.R. (Rozengolts and I͡udina in Pavlovskii, 1948).

Periplaneta americana, Gold Coast Colony (Macfie, 1922); Netherlands (Akkerman, 1933); Formosa (Morischita and Tsuchimochi, 1926); U.S.A. (Olson in Roth and Willis, 1957a).