BIOTIC ASSOCIATIONS OF COCKROACHES — ROTH & WILLIS I95 



Galebia aegyptiaca (Caleb, 1878) Chitwood, 1932 

 Synonymy. — Oxyuris aegyptiaca Galeb, 1878 ; Blatticola aegyptiaca 

 (Caleb, 1878) Schvvenck, 1926 [Chitwood, 1932]. 

 Natural hosts. — Blattella germanica, Brazil (Schwenck, 1926). 

 Polyphaga aegyptiaca, Egypt? (Caleb, 1878). 



Hammerschmidtiella diesingi (Hammerschmidt, 1838) Chitwood, 1932 



Synonyrny. — Anguillula macriira Diesing, 185 1 ; Aoruriis diesingi 

 (Hammerschmidt, 1838) Travassos, 1929; Streptostomum gracile 

 Leidy, 1850; Oxyuris diesingi Hammerschmidt, 1838; Oxyuris 

 blattae orientalis Hammerschmidt, 1838 [Chitwood, 1932]. Oxyuris 

 macrura of Lankester (1865). 



Natural hosts. — Blatta orientalis, Europe (Hammerschmidt 1838, 

 1847; BiJtschli, 1871) ; Egypt? (Caleb, 1878); England 

 (Lankester, 1865 ; Lee, 1958) ; U.S.A. (Leidy, 1850a) ; U.S.S.R. 

 (Yakimov and Miller, 1922; Sobolev, 1937; Sondak, 1935) ; Brazil 

 (Travassos, 1929) ; China (Chitwood, 1932) ; Czechoslovakia (Cro- 

 schaft, 1956). 



Leucophaea maderae, Brazil (Pessoa and Correa, 1926). 



Periplaneta americana, Brazil (Magalhaes, 1900; Pessoa and Cor- 

 rea, 1926). U.S.A. : Texas (Todd, 1943) ; Kansas (Dobrovolny, 1933 ; 

 Dobrovolny and Ackert, 1934) ; North Carolina (Hatcher, 1939) ; 

 Iowa, North Dakota, Michigan (Hoffman, 1953). China (Chit- 

 wood, 1932). India (Basir, 1940). Czechoslovakia (Groschaft, 

 1956). England (Lee, 1958). 



Periplaneta australasiae, Brazil (Pessoa and Correa, 1926). 



Polyphaga aegyptiaca (Linstow, 1878). 



Cockroaches {Blatta orientalis, Blattella germanica, and/or Peri- 

 planeta americana), U.S.A. (McAdow, 1931). 



Cockroach, Venezuela (Tejera, 1926). 



According to Hammerschmidt (1847) this worm may be found 

 throughout the intestinal canal but especially in the small intestine. It 

 is frequently found in adults and seldom in the nymphs. There were 

 seldom more than 5 to 10 worms in one cockroach and female worms 

 w^ere found more frequently than males ; the male worms were found 

 only in winter and spring while the females were present at all times 

 of the year. Biitschli (1871) stated that all stages from those just 

 hatching to mature males and females are found. 



Yakimov and Miller (1922) found H. diesingi in 50.8 percent of 

 124 B. orientalis collected in Petrograd. Sobolev (1937) found 96 

 percent of B. orientalis infected with H. diesingi with a mean number 

 of 5.6 and maximum number of 22 in one cockroach. Groschaft 

 (1956) found 18 in one specimen of B. orientalis. Dobrovolny and 



