226 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I4I 



adult German cockroach was consumed in an average of 8.5 minutes 

 (range 5.5-15 minutes). 



Blatta orientalis, nymphs, and Diploptera punctata, U.S.A. (Roth 

 and Willis, unpublished data, 1953). 



Tarachodes maurus (Stal) 

 Experimental prey. — Cockroaches, South Africa (Faure, 1940). 



Tenodera aridifolia sinensis Saussure 



Common name. — Chinese mantis. 



Experimental prey. — Nauphoeta cinerea and Periplaneta americana, 

 U.S.A. (Rilling, personal communication, 1957). 



Family GRYLLACRIDIDAE 



Diestrammena apicalis Br. v. Wattenwyl 



and 



Diestrammena japanica Blatchley 



Natural prey. — Cockroach eggs, Japan (Asano, 1937) : These are 

 questionable records. Asano found D. apicalis and D. japanica 

 beneath his house near several empty cockroach oothecae which ap- 

 peared to have been eaten into. He assumed from the condition of the 

 oothecae and the proximity of the stone crickets that the insects had 

 devoured the cockroach eggs. 



Experimental prey. — Eggs of Blattella germanica and Periplaneta 

 japanica, Japan (Asano, 1937) : Seven eggs of B. germanica (ob- 

 tained from an ootheca being carried by a female) and eggs of P. 

 japanica (presumably in oothecae) were fed to both species of stone 

 crickets in the evening. The eggs w^ere devoured by the next morning. 



Order DERMAPTERA 

 Family FORFICULIDAE 

 Undetermined earwigs 

 Experimental prey. — Cockroaches, France (Chopard, 1938) : Ac- 

 cording to Chopard, Brisout de Barneville in 1848 indicated that ear- 

 wigs in captivity can be fed small cockroaches. 



Order HEMIPTERA 



Family LYGAEIDAE 



Clerada apicicornis Signoret 



Natural prey. — Cockroach, Hawaii (Illingworth, 191 7) : This pre- 

 daceous bug is commonly found about buildings. Illingworth says that 



