52 PAPERS ON CEREAL AND FORAGE INSECTS. 
Many bugs lived for weeks, andeven months, in confinement in the 
presence of the fungus under conditions favorable for its develop- 
ment. 
Attempts at artificial introductions of the fungus in the fields 
have so frequently resulted in compiete failures that this method is 
not recommended. Vastly more may be accomplished by applying 
the same amount of time and labor to the application of practical, 
successful remedies. 
O 
