Fig. 25. 
Fig. 26. 
Fig. 27. 
Fig. 28. 
Fig. 29. 
Fig. 30. 
PuiatE VII 
Ptilodexia harpasa Walk., a parasite of white-grubs. Enlarged. 
Promachus vertebratus Say. About natural size. 
Promachus fitchii O. S., female. About natural size. 
Harpalus pennsylvanicus Dej. Slightly enlarged. 
Pelecinus polyturator Dru., female. Natural size. 
Ophion bifoveolatum Brullé, female. About twice natural size. 
