BIOTIC ASSOCIATIONS OF COCKROACHES — ROTH & WILLIS 279 



Pigeon 



Experimental prey. — Pycnoscelus surinamensis, Australia (Field- 

 ing, 1927) ; U.S.A., Florida (Sanders, 1928). 



Order STRIGIFORMES 



Family STRIGIDAE 



Gymnasio nudipes (Daudin) 



Common name. — Bare-legged owl. 



Natural prey. — Epilampra sp., Puerto Rico (Wetmore, 1916) : 

 One specimen identified in stomach of a wild-caught owl. 



Cockroaches, Puerto Rico (Wetmore, 191 6) : These insects were 

 found in stomachs of five owls. 



Order CORACIFORMES 



Family TODIDAE 



Todus mexicanus Lesson 



Common name. — Porto Rican tody. 



Natural prey. — Plectoptera poeyif, Puerto Rico (Wetmore, 1916) : 

 The stomachs of 89 birds were examined ; a single bird had eaten the 

 above cockroach. According to Wolcott (1950) P. poeyi could be 

 Plectoptera dorsalis, P. rhabdota, or P. infulata. 



Family BUCEROTIDAE 

 Tockus birostris (Scopoli) 



Synonymy. — Lophoceriis birostris [Dr. H. Friedmann, personal 

 communication, 1957]. 



Common name. — Common gray hornbill. 



Natural prey. — Cockroaches, India, Central Provinces (D'Abreu, 

 1920). 



Order PICIFORMES 



Family PICIDAE 



Dendrocopos mahrattensis (Latham) 



Synonymy. — Liopicus maJirattensis [Friedmann, p. c. 1957]. 

 Common name. — Yellow-fronted pied woodpecker. 

 Natural prey. — Cockroaches, India, Central Provinces (D'Abreu, 

 1920). 



