The Biotic Associations of Cockroaches

by Louis M. Roth; Edwin R. Willis

* Giardia intestinalis (Lambl)

Experimental vectors.—Blatta orientalis, South Africa (Porter, 1918).

Blattella germanica, Brazil (Pessôa and Corrêa, 1927).

Eurycotis floridana, U.S.A. (Young, 1937).

Leucophaea maderae, Brazil (Pessôa and Corrêa, 1927).

Periplaneta americana, South Africa (Porter, 1918); Gold Coast Colony (Macfie, 1922); Brazil (Pessôa and Corrêa, 1927); U.S.A. (Young, 1937).

Periplaneta brunnea, U.S.A. (Young, 1937).

Cockroaches, Venezuela (Tejera, 1926); Argentina (Bacigalupo, in Tejera, 1926).