156 



ILUNOIS BIOLOGICAL MONOGRAPHS 



[474 



EXPLANATION OF PLATE 



VENTRAL AND DORSAL ASPECTS OF HEAD AND PROTHORAX 



Fig. 50 — Janus integer. 



Fig. 51 — Schizocerus zabriskei. 



Fig. 52 — Phlebalrophia matJiesoni. 



Fig. 53 — Caliroa cerasi. 



Fig. 54 — Pamphilius sp. 



Fig. 55 — Dolerus similis. 

 Fig. 56 — Megaxyela major. 

 Fig. 57 — Caliroa cerasi. 

 Fig. 58 — Neodiprion lecontei. 

 Fig. 59 — Endelomyia aethiops. 



