BIOTIC ASSOCIATIONS OF COCKROACHES — ROTH & WILLIS 20"] 



*Seurocyrnea colini (Cram, 1927) Cram, 1931 

 Experimental host. — Blattella germanica, U.S.A. (Cram, 1931, 

 1931a, 1933a). 



♦Spirura gastrophila (Miiller, 1894) Seurat, 1913 



Natural hosts. — Blatta orientalis, Europe? (Deslongchamps, 1824, 

 in Seurat, 1911) ; Italy (Grassi, 1888); Algeria (Seurat, 1916). 



Periplaneta americana, Brazil (Pessoa and Correa, 1929). 



Cockroach, Venezuela (Tejera, 1926). 



Experimental hosts. — Blatta orientalis, France (Caleb, 1878a) ; 

 "Cafards," Algeria (Roger, 1906, 1907). 



* Tetrameres americana Cram, 1927 



Natural host. — Blattella germanica, U.S.A. (Cram, 1931b, per- 

 sonal communication, 1956) ; Hawaii (Alicata, 1938, 1947)- 

 Experimental host. — Blattella germanica, U.S.A. (Cram, 1931b). 



♦Tetrameres pattersoni Cram, 1933 

 Experimental host. — Blattella germanica, U.S.A. (Cram, 1933). 



Family PHYSALOPTERIDAE 



* Physaloptera hispida Schell, 1950 



Experimental host. — Blattella germanica, U.S.A. (Schell, 1952, 

 1952a). 



♦Physaloptera maxillaris Molin, i860 



Experimental host. — Blattella germanica, U.S.A. (Hobmaier, 

 1941). 



* Physaloptera praeputialis von Linstow, 1889 

 Experimental host. — Blattella germanica, U.S.A. (Petri and Ameel, 

 1950). 



* Physaloptera rata Hall and Wigdor, 1918 



Experimental host. — Blattella germanica, U.S.A. (Petri and Ameel, 

 1950 ; Petri, 1950) . 



♦Physaloptera turgida Rudolphi, 1819 



Experimental host. — Blattella germanica, U.S.A. (Alicata, 1937; 

 Schell, 1952). 



