6 



CIRCULAR 8 49, U. S. DEPT. OF AGRICULTURE 



Figure 1. — Head Characters of Cutworms 



A, Head capsule with adfrontal sutures terminating in the occipital foramen. 



B, Head capsule with adfrontal sutures not reaching the occipital foramen. 



C, Type of fuscous reticulation on head capsule. 



D, Head with reticulation replaced by fuscous freckles. 



E, Head with fuscous coloration limited to submedian arcs. 



F, Head with deep fuscous coloration, and adfrontal areas conspicuous white. 



<sr--\ 



-Ha 

 la- 



■lib 





V — -x$ - 



-lb- 



lie 



"fc)-iia 





Ic 



■0-nb 



<0'*r 



-IV., 

 -V-. 



T ^" 



ks>- 



VI- 

 -VII 



■-« gr 



p&~ 



-VIII 



fir<6-v\n 



T2 



U-sp 



vna- 



vnb 



0" 







ggf-iv 



5? 



gTviic 



A2 



0- 



0- 



<2f— 



4 



■0" 



.0 



sp 





-ef 





A3 



A7 



A8 



..0- 

 -4 



A9 



Figure 3. 

 Larva: 



A8, A9 



— Arrangement and Numbering of Setae on Typical Cutworm 

 Thoracic segments, Tl and T2; abdominal segments, Al, A2, A3, A7, 

 spiracle, sp. 



