INSECTS AND THEIR ALLIES 



Coccidae (Scale Insects) (Continued). 

 Aspidiotus ulmi, Johns. 

 Lepidosaphes ulmi, Linn. 



Suborder HETEROPTERA. 



Thyreocoridae (Negro-bugs). 



Thyreocoris unicolor, P.B. 



pulicarius, Germ. 

 Pentatomidae (Stink-bugs). 



Eurygaster alternatus, Say. 

 Mormidea lugens, Fab. 

 Chlorochroa persimilis, Horv. 

 Euschistus filipes, Say. 

 fissilis, Uhl. 

 " tristigmus, Say. 

 " variolarius, Beauv. 

 Coenus delius, Say. 

 Cosmopepla carnifex, Fab. 

 Perilloides circumcinctus, Stal. 



claudus, Say. 

 Podisus cynicus, Say. 



" modestus, Dall. 

 ;idae (Squash-bug Family). 

 Anasa tristis, De G. 

 Alydus eurinus, Say. 

 irgaeidae (Chinch-bug Family). 



Lygaeus turcicus, Fab. 

 Cymus discors, Horv. 

 tidae (Lace-bugs). 



Corythuca arcuata, Say. 

 309 



