Retortamonas blattae (Bishop)
Synonymy.—Embadomonas blattae Bishop [Wenrich, 1932].
Natural host.—Blatta orientalis, England (Bishop, 1931): Hind intestine. The organism occurred in about 40 percent of the cockroaches examined. L. G. Feo (in Wenrich, 1932) successfully cultured this protozoan (fig. 2, F).