INJURIOUS INSECTS OF 1903. 43 



CONCLUSIONS. 



Do not buy Paris Green which is of a pale green color ; or 

 which leaves a white streak on a glass slip ; which is not en- 

 tirely soluble in ammonia ; which shows under the microscope 

 many fine particles amongst the larger roundish Paris Green 

 granules. 



A law preventing the sale of inferior Paris Green in Minne- 

 sota would be highly beneficial. 



REPORTS FROM CORRESPONDENTS. 



This is a new feature of work in this department. Its aim is 

 to keep the Entomologist in touch with insect depredations in 

 enough counties of the state to represent the conditions pre- 

 vailing in all the agricultural portions of Minnesota. The 

 leading reports for this year are given below. Another year 

 observations will be begun in May and a report mailed by 

 every observer each month up to and including September. 



Observers are chosen from those who have shown profi- 

 ciency in entomology, either at the Agricultural College or 

 elsewhere ; as more of such become available more districts 

 v/ill be represented. 



Paynesville, Stearns Co., Minn., 



July 23, 1903. 

 Dear Sir: I received your letter this evening and will try to send in 

 a report of the insect pests on the 15th of every month. 



It may be of some value to you if I mention a few of the pests that 

 have been doing damage this summer, although I cannot give date of 

 their appe^arance. Potato Bugs have done a great deal of damage; they 

 have not been so thick for years. Hessian Fly in the rye, but not much 

 damage done. 



Very truly yours, 



S. Z. ROACH. 



