BIOTIC ASSOCIATIONS OF COCKROACHES — ROTH & WILLIS IO9 



* t Sarcina sp. 



Synonymy. — Sarcina alba "patogena" of Cao. 



Natural vectors. — Blatta orientalis, Italy (Cao, 1898, 1906). 



* t Sarcina sp. 



Synonymy. — Sarcina "bianca" and "gialla" of Cao. 

 Experimental vectors. — Blatta orientalis, Italy (Cao, 1898). 



Family NEISSERIACEAE 

 ♦Neisseria meningitidis (Albrecht and Ghon) Holland 

 Experimental vectors. — Cockroaches, U.S.A. (Longfellow, 1913). 



♦Veillonella parvula (Veillon and Zuber) Prevot 

 Natural vectors. — Periplaneta americana, U.S.A. (Hatcher, 1939). 



Family LACTOBACTERIACEAE 



* Diplococcus pneumoniae Weichselbaum 



Experimental vectors. — Blatta orientalis, Italy (Cao, 1898). 

 Cockroaches, U.S.A. (Longfellow, 191 3). 



t Enterococcus sp. 



Natural vectors. — Blatta orientalis, Italy (Spinelli and Reitano, 

 1932) : From intestinal tract. 



Lactobacillus fermenti Beijerinck 



Habitat. — Fermenting plant or animal products. 

 Natural vectors. — Blatta orientalis, Poland (Nicewicz et al., 1946) : 

 From intestinal canal. 



t Pneumococcus Type I, No. 1231 



Experimental vectors. — Blattella germanica, Germany ( Vollbrechts- 

 hausen, 1953). 



* Streptococcus faecalis Andrewes and Horder 



Natural vectors. — Blatta orientalis, Poland (Nicewicz et al., 1946). 



Blattella germanica, U.S.A. (Steinhaus, 1941). 



Periplaneta americanaf {"Blatella americana"), England (Shrews- 

 bury and Barson, 1948). 



Cockroaches [presumably any or all of the above three species], 

 Egypt (El-Kholy and Gohar, 1945). 



