33 



peculiar to this year, but can be regarded as the permanent condition 

 in Minnesota. 



An imaginary line drawn from Mora, in the cast central part of this 

 State, southwest to Benson and then south to Iowa would include on 

 its southern and eastern side the area infested this year. It is not to 

 be understood that all of this territory was occupied by the chinch 



Fig. 1.— Map showing distribution of chinch bug in Minnesota. 



bug, but all the infested counties heard from would be included by 

 such aline. 1 note that Dr. Lugger's reports for L887, L894,and L895 

 coincide quite closely with the conditions of L902. To make this more 

 clear 1 have had a map (fig. 1 ) copied from one o( his reports, to which 

 I have added the Line 1 refer to as representing my findings this year. 

 In the years noted (1887, L894, and L895) Dr. Lugger found the same 



22170—03- 3 



