PLATE 9 



European corn borer and its nearest American allies: 



A. — Profile of cephalic end of pupa of Pyrausta ainsliei. 



B. — Profile of cephalic end of pupa of P. peniialis. 



C. — Profile of cephalic end of pupa of P. nubilalis. 



D. — Pupa of P. nubilalis, female; dorsal view. 



E. — Pup3.of P. nubilalis, female; ventral view. 



F. — Caudal end of pupa of P. nubilalis, female; ventral view. 



G. — Caudal end of pupa of P. peniialis, female ; ventral view. 



Explanation of symbols applied to pupae. 



a=antennae. 



ao=anal opening. 



cr=cremaster. 



es=epicranial suture. 



f=front. • 



f i=femur of prothoracic leg. 



ge=glazed eye. 



go=genital opening. 



lb=labrum. 



1 ^=prothoracic leg. 



1 2=mesothoracic leg. 



1 ^=metathoracic leg. 



lp=labial palpi. 



mp=maxillary palpus. 



ms = meso thorax . 



msp=mesothoracic spiracle. 



mt=metathorax. 



mx=maxilla. 



p= pro thorax. 



pf=pilifer. 



psc=proleg scar. 



s= abdominal spiracle. 



se=sculptured eye. 



v= vertex. 



w'=mesothoracic wing. 



