21 



and will be found indicated on fig. 3 in the same manner as on the 

 other maps. About the 10th of June we were relieved of all suspense, 

 and it was very clear that southern Ohio would be the area ravaged 

 this year. The reason for this is not hard to find, as up to about June 

 10 very little rain had fallen, and I take it that by this time the young 

 bugs had so far developed as to be little, if at all, affected by it. This 

 will, in some degree at least, solve the problem of the appearance of 



Fig. 3 



-Map showing area in Ohio over -which chinch hugs occurred in ]89G: 

 seriously affected: ' / /y0Oy(/ y (original). 



the chinch bug in the south in such destructive numbers this year, 

 while the country farther north, where the hatching takes place later, 

 escaped with little or no destruction to farm crops, except in the extreme 

 northeast. But the perplexing feature of the problem is in that we 

 have them this year iu greatest numbers and committing the most 

 serious depredations, for the most part, where we heard little or nothing 

 at all of them last year. During these three years this pest has not 



