- 517 - 
Area 
Ohio^/ 
Northwestern, north-central and 
central (north) 
Western and central (south) — - 
East-central 
Kentucky: 
Western 
Eart-centrnl 
Tennessee: 
Wost-central 
Eastern 
Pennsylvania: 
Western « — 
North-central — 
South- central «#- 
Eastern 
Delaware 
Maryland: 
Wer tern 
Eastern 
Virginia: 
Northwestern ~— 
Northeastern — 
South-central — 
N rth Carolina: 
North-central — 
Fields 
sampled 
Number 
|/iU5 
1/ 50 
25 
3* 
5* 
67 
15 
20 
35 
25 
10 
25 
15 
25 
30 
15 
Uo 
Average 
Percent 
16 
8 
1 
1 
11 
6 
16 
U 
10 
Stems infested 
Maximum 
Percent 
26 
IS 
ZZ 
16 
6 
Uo 
52 
90 
30 
5^ 
Minimum 
Percent 
& 
! 
10 
! 
U2 i 

12 
: o 
UO ! 

1/ 
2/ 
Mostly from survey by State entomologists. 
Approximate, 
