In the following classification we have accepted the conclusions of Kirby (1945), Kudo (1954), and others that species of Endamoeba are generically different from species of Entamoeba and that the latter genus is not a homonym of Endamoeba.

Dobellina sp.

Natural vectors.Blattella germanica and/or Periplaneta americana, Egypt (DeCoursey and Otto, 1956, 1957): Thirty out of 261 cockroaches examined contained this protozoan.

Endamoeba blattae (Bütschli)

Synonymy.Amoeba blattae, Entamoeba blattae, Entamoeba blattarum.

Natural hosts.Blatta orientalis, Germany (Bütschli, 1878; Schubotz, 1905; Chen, 1933); U.S.A. (Leidy, 1879a, 1880; Kudo, 1922, 1925a, 1926a; Kirby, 1927; McAdow, 1931; Meglitsch, 1938, 1940); France (Mercier, 1907a, 1908, 1909, 1910); Europe? (Janicki, 1908, 1909); U.S.S.R. (Yakimov and Miller, 1922; Zasukhin, 1929, 1930); England (Thomson and Lucas, 1926; Lucas, 1927, 1927a, 1928); Yugoslavia (Ivanić, 1926a).

Blattella germanica and/or Periplaneta americana, South Africa (Porter, 1930); Egypt (DeCoursey and Otto, 1956, 1957): Seven out of 217 cockroaches examined harbored the protozoan.

Periplaneta americana, Philippine Islands (Hegner and Chu, 1930); U.S.A. (Morris, 1936; Armer, 1944); Gold Coast Colony (Macfie, 1922).

Periplaneta australasiae, U.S.A. (Morris, 1936).