WORK OF ECONOMIC ENTOMOLOGISTS 3 



researches, to place citizens on their guard against insect enemies. 

 That their work is appreciated is shown by the large appropria- 

 tions for this work made by federal and state governments. Massa- 

 chusetts, for example, has used, in the past, $150,000 annually to 

 combat the gipsy moth, to which must be added approximately 

 $100,000 spent by private citizens in that state and $10,000 con- 



FIG. 3. A portion of a wheat field badly "down" as a result of the work of the Hessian fly 



(Original.) 



tributed by the United States Government. New Jersey is on 

 record as spending $350,000 a year in fighting mosquitoes alone. 

 Losses from the San Jose scale, codling moth, Hessian fly (see 

 Fig. 3), chinch bugs, and grasshoppers have been materially re- 

 duced through the work of our entomologists, who have also 

 lessened by nearly or quite half the $100,000,000 loss on stored 



