BIOTIC ASSOCIATIONS OF COCKROACHES — ROTH & WILLIS 2/1 



Hyperolius picturatus Peters 



Natural prey. — Cockroach, Belgian Congo (Noble, 1924) : The 

 stomachs of 12 of 56 specimens examined contained food, including 

 one cockroach. 



Leptodactylus albilabris (Giinther) 



Natural prey. — Cockroach, Puerto Rico (Schmidt, 1920) : One of 

 25 stomachs contained a medium-sized cockroach. 



Leptodactylus pentadactylus (Laurenti) 



Common name. — "Smoky jungle frog" or "pepper frog." 

 Natural prey. — Cockroaches, Nicaragua (Noble, 1918) : Cock- 

 roach wings were found in the stomach of a frog caught around hu- 

 man habitation. Brazil (Valente, 1949). 



Leptopelis calcaratus (Boulenger) 



Natural prey. — Cockroaches, Belgian Congo (Noble, 1924) : The 

 stomachs of 35 specimens were examined of which 13 contained food, 

 including 2 cockroaches. 



Leptopelis rufus Reichenow 



Natural prey. — Cockroaches, Belgian Congo (Noble, 1924) : Forty- 

 five of 83 stomachs examined contained food, including 2 cockroaches. 



Megalixalus fornasinii (Bianconi) 



Natural prey. — Cockroaches, Belgian Congo (Noble, 1924) : The 

 stomachs of 3 of 40 specimens contained food, including 2 cock- 

 roaches. 



Rana catesbeiana Shaw 



Common name. — Bullfrog. 



Natural prey. — Cockroaches, Puerto Rico (Derez, 1949). 



Rana mascareniensis Dumeril and Bibron 



Natural prey. — Cockroaches, Belgian Congo (Noble, 1924) : The 

 stomach contents of 138 specimens were examined, 39 of which con- 

 tained food, including 2 cockroaches. 



Rana pipiens Schreber 



Common name. — Leopard frog. 



Experimental prey. — Periplaneta americana, U.S.A. (Moore, 

 1946) : Cockroaches containing infective acanthellas of Moniliformis 

 dubius were fed to two frogs. 



