146 



ILLINOIS BIOLOGICAL MONOGRAPHS 



[464 



Fig. 11 — Phyllotominae. 

 Fig. 12 — Phyllotominae. 

 Fig. 13 — Tenthredininae. 

 Fig. 14 — Cimbicinae. 

 Fig. 15 — Hoplocampinae. 



EXPLANATION OF PLATE 



LARVAE OF TENTHREDINIDAE 



Caliroa cerasi. 

 Phlebatrophia mathesoni. 

 Tenthredo sp. 



A bia in flat a. 

 Hemichroa americana. 



au anus 



tnsp mesothoracic spiracle 



pig larvapod 



spi abdominal spiracle 



tig 2 mesothoracic leg 



tsp metathoracic spiracle 



