- 383 - 
Area 
Fields 
sampled 
Stems infested 
Average 
Maximum 
Minimum 
Number 
Ohio:* 
Northwestern : **l6 
North-central and northeastern:** 130 
Southwestern : ** 90 
Southeastern : ** 110 
Kentucky: 
Western 
East- central- 
Tennessee: 
West-central- 
Eastem 
Pennsylvania: 
Western 
Nortivcentral 
South- central 
Eastern 
Delaware 
Maryland: 
Central- 
East em- 
Virginia: 
Northwestern— 
Northeastern- 
South- central- 
North Carolina: 
North-central- 
lU 
16 
UO ! 
^3 
15 
20 
35 
3^ 
15 
25 
15 
20 
U5 : 
15 
ho 
Percent 
2 
3 
7 
2 
2 
3 
k 
3 
8 
10 
Percent 
Percent 
S 
h 
6 
5 
k 
26 
22 
32 
16 
20 
12 
30 
6S 
21 
3S 
16 
22 
13 
28 







♦Mostly from survey "by State entomologists. 
** Approximately. 
