- 382 - 
Area 
Fields 
sampled 
Stems infested 
Average » Maximum 
Minimum 
Nebraska: < ■ 
Southwestern-- 
South- cent ral- 
Southeastenw- 
: 
Kansas: 
Northwestern >~~. 
North-central •— t 
Northeastern 
South- central 
Southeastern -?-, 
Oklahoma: 
North- central- 
Northeastern— 
Missouri.! ..,,.. . 
Northwestern— ■ 
We st- central — ■ ; - 
•East- central- — •. ■ — •'--- 
,Southwestern— r- — 
Southeastern — '■ :- 
Illinois:* 
Northwestern--:-- '— 
Central—.—-— 
East-central — r - 
, ., r Southwestern---— --• — 
-. < Southeastern -i--— — - - — 
Michigan: 
South- central---——; 
Southwestern (Berrien 
Southeastern (Lenawee 
• • • 
Indiana: ' . '; '" 7 
Northwestern — : ■ — — 
Northeastern .. 
Central — - 
Southwestern— r — — - — 
Southeastern — i-l—. '. 
— : 
Co,): 
Co.): 
Number 
7 " 
28 
68 
20 
3.5-, 
53 
39 
3^ 
27 
26 
28 
2 
31 
26 
I 
k$ 
29 
30 
30 
37 
30 
7 
7 
73 
35 
71 
6H 
U2 
Percent 


1 


2 

2 
1 
2 
5 
7 
k 
2 
u 
2 
11 
9 
18 
•2 
•lU 
5 
7 
IS 
19 
Percent 


22 

12 
18 
e 
♦Mostly from survey "by State entomologists. 


■ 6 
ik 
,30 
ko 
2k 
16 
32 
12 
6 
8 
I 
52 
12 
6 
52 
lU 
28 
70 
Percent 



















c 
.'0 





