BIOTIC ASSOCIATIONS OF COCKROACHES — ROTH & WILLIS I35 



referred to Ischnoptera in the United States, except /. deropcllifonais, 

 now belong in the genus Parcohlatta. All species originally referred 

 to the genus Temnopteryx in the United States are now synonyniized 

 with species of Parcohlatta. 



Herpomyces chaetophilus Thaxter 



Natural hosts. — Periplaneta americana, Brazil (Thaxter, 1931). 

 Periplaneta sp., Zanzibar and Mauritius (Thaxter, 1902, 1908) : 

 On spines of legs, antennae, and cerci. 



Herpomyces chilensis Thaxter 

 Natural host. — Cockroach, Chile (Thaxter, 1918) : On antennae. 



Herpomyces diplopterae Thaxter 



Natural hosts. — Diploptera punctata, Ascension Island (Thaxter, 

 1902, 1908) : On antennae. This species also was infected experi- 

 mentally (Richards and Smith, 1954). 



Cockroach, Fiji (Thaxter, 1931). 



Herpomyces ectobiae Thaxter 



Natural hosts. — Blattella germanica, U.S.A., Massachusetts (Thax- 

 ter, 1902, 1908) ; Burma, Tenasserim (Spegazzini, 191 5) ; Argentina, 

 Buenos Aires (Spegazzini, 1917) : On antennae. U.S.A., Minnesota 

 (Richards and Smith, 1955) : Scattered over entire body, wings. 

 France? (Picard, 1913) : On tibial spines. Chile and Philippine Is- 

 lands (Thaxter, 1931). 



"Ectohia" spp., Zanzibar and Saint Kitts, B.W.I. (Thaxter, 1902, 

 1908) : Possibly on species that are now in the genus Blattella rather 

 than in the genus Ectobius as it is known today, because Thaxter also 

 used the synonym Ectobia germanica for the German cockroach, 

 Blattella germanica. 



Experimental hosts. — Blattella germanica and Blattella vaga, U.S.A. 

 (Richards and Smith, 1954). 



Herpomyces forficularis Thaxter 

 Natural hosts. — Cockroaches, Mauritius? and Fiji (Thaxter, 1902, 

 1908, 193 1 ) : On antennae. 



Herpomyces gracilis Thaxter 



Natural host. — Blattella humhertiana, Philippine Islands, Luzon 

 (Thaxter, 1931) : On antennae. 



