38 
Till: CHINCH BUG. 
before the commencement of this breeding season or just at the close 
thereof, thus enabling the major portion <>i* the young to reach a 
period in their development wherein they are little, if at all, -u-- 
ceptible to the effects of drenching rain-. This was clearly illus- 
trated in southern ( >hio during the spring of L896, and again in 1697. 
Throughout southern Ohio, in L896, between latitude 38 c 30' and 39 c 
lu\ as the reports of the United State- Weather Bureau -how. there 
*A.RFlEU> |~ PtSRV^ L L- 
r««« scto* 
Fig. 12. Map showing distribution of ch:ncb bug in Ohio in 1! 
i Author's illustration. 
had been but very little rain up to May 11. and no general 
rain until May 25. The effect upon the young bugs, judging from 
the destruction which they caused, would seem to have been to 
destroy only the latest to hatch. Leaving the earlier developing 
young sufficiently advanced to withstand the effects of the later and 
heavier rain-. The accompanying map (fig. 11) will show the areas 
over which chinch bugs were reported marked thus . while the 
