20 



overwhelmed with applications for diseased chinch bugs. A change is 

 certainly coming over the agricultural classes in their feeling toward 

 applied entomology, as is witnessed by the fact that until quite 

 recently when there was an outbreak of any destructive insect the 

 farmer would simply watch the destruction of his crops with helpless 

 concern, whereas now he writes to an entomologist to send him some 



WILLIAMS'* 



Fig. 2.— Map showing area in Ohio over which chinch bugs occurred in greatest abundance in 1895: 

 : area seriously affected : < y / /C / /// (from Bull. 2. n. s., Div. Ent.) 



kind of disease or parasite that will destroy his enemy without further 

 effort on his part. To supply the demand for Sporotrichum we culti- 

 vated on a mixture of beet' broth and corn meal, and in this way have 

 so far this year responded to over 1,200 requests. I mention this as 

 indicating the fact that this year farmers were on the watch, and occur- 

 rences that in other years would have either escaped notice entirely or 

 been ignored in case they were observed were promptly reported to us, 



