BIOTIC ASSOCIATIONS OF COCKROACHES — ROTH & WILLIS 2/5 



Family AGAMIDAE 



Experimental prey? — Cockroaches, Australia (Lee and Mackerras, 

 1955) • -^ general statement was made that in captivity Agamidae 

 were observed feeding avidly on cockroaches and other insects. Three 

 agamids studied by these workers were Amphibolurus harhatus 

 (Gray), Physignathiis lesueurii Gray, and Chlamydosaurus kingii 

 Gray. 



Family CHAMAELEONTIDAE 



Chamaeleon chamaeleon (Linnaeus) and 



Chamaeleon oustaleti Mocquard 



Experimental prey. — Cockroaches, Amsterdam (Portielje, 1914) : 

 Large cockroaches were fed to these lizards in the reptile house of 

 Artis. 



Family TEIIDAE 



Ameiva exsul Cope 



Common name. — Iguana, ground lizard. 



Natural prey. — Cockroach (nymph), Epilampra wheeleri, and Peri- 

 planeta americana, Puerto Rico (Wolcott, 1924) : Stomach contents 

 of 15 lizards were analyzed. E. wheeleri formed 30 percent of the 

 food of one lizard. The cockroach nymph formed 5 percent of the 

 food of one lizard. One P. americana formed 20 percent of the food 

 of one lizard; another formed 50 percent of the food of a second 

 lizard. 



Experimental prey. — Cockroach nymphs, Puerto Rico (Wolcott, 

 1924). 



Ameiva sp. 



Natural prey. — Cockroaches, British Guiana (Beebe, 1925a) : The 

 above lizard is terrestrial and found near clearings. The stomach con- 

 tents of 18 out of 40 reptiles contained cockroach remains. 



Cnemidophorus sp. 



Natural prey. — Cockroaches, British Guiana (Beebe, 1925a) : This 

 is a terrestrial lizard found near clearings. The stomach contents of 

 4 out of 40 lizards contained cockroaches. 



Unidentified lizards 



Natural prey. — Cockroaches, West Indies (H., 1800). 

 Experimental prey. — Blatta orientalis, U.S.A. (Rau, 1924) : Rau 

 called the predator a common gray lizard. 



