-150- 
Data on infestation of European com "borer in tho fall of 1955 in 
13 selected counties . 
One-generation area 
MICHIGAN 
Case County 
Townshi p 
Calvin. . . 
Jefferson 
La Grange 
Marcel lus 
Mason. . . . 
Newberg. . 
Volinia. • 
Total 
Average 
Fields 
examined 
Number 
5 
5 
5 
5 
5 
5 
_5 
35 
Area 
surveyed 
A cres 
105 
50 
106 
7^ 
52 
61 
6U 
518 
Plants 
infested 
Percent 
0.0 
.0 
.8 
1+.6 
.2 
11.8 
3-3 
Average "borers 
per 100 plant s 
Number 
0.0 
.0 
1.6 
H.8 
.0 
7.8 
62.2 
10.9 
Ottawa County 
Chester. . . 
Georgetown 
Jamestown 
Talmadge . 
Wright . . . 
Total 
Average 
25 
U3.O 
25.0 
25.5 
29.5 
26.5 
1U9.5 
2.8 
2.2 
•u 
2.2 
1.8 
1.9 
1.6 
1.6 
.0 
1.0 
2.6 
l.U 
VERMONT 
Windham County 
: Fields 
! Area 
Plants 
! Average borers 
Township 
• examined 
surveyed 
infested 
per 100 plants 
Number 
Acres 
Percent 
: Numb or 
Athens 
5 
! 16.0 
: U 
3.0 
Brattleboro 
5 
31.0 
10. U 
Brooklino 
25.0 
3.8 
2.6 
Dover 
5 
8.5 
3.6 
6.0 
Dummerston 
5 
23.0 
5.U 
8.6 
