-611- 
Tab le 2. — Data on abundance of European corn borer in corn, fall of 1939 . 
and comparisons with data for othe r y ears — C ont imied 
State and county 
Average borers per 100 plants 
.. WO.; 
1932 
1939 
Humber 
Number 
Number 
Average : 
162.2 
602.7 
7 counties - 
205.3 
10 counties- 
ll6.S 
496.2 
11 counties— 
— 
— — 
451.5 
Michigan: 
1932 
1938 
1939 
Allegan- 
o' 
26.6 
Barrv — — , — - 
J 
55.2 
Berrier— 4 
0 
0.2 
63.0 
34.0 
Branch— _ 
•••• 
Calhoun- 
0 
— 
19.4 
6.0 
Clinton— ,, ± 
118.2 
Eaton- — 
-- 
— 
47.0 
Genesee 
45.2 
447.0 
Gratiot - 
207.8 
Hillsdale- 
2.9 
35.6 
Huron 
S 22.1 
, , 
595.0 
Ingham- , 
17. 8 
3^7.0 
Ionia— „ 
— — 
•«*>» 
74.8 
Jacks nn- 1 
17. ^ 
29.6 
Kalamazoo— - 
— — 
. , 
31.4 
Lapeer- _ _ 
33.5 
376.2 
Lenawee- 
50.0 
206.4 
118.8 
Livingston- - 
18.0 
7.8 
Macomb- . 
72.6 
191.2 
132.8 
Monroe—— 
72.7 
124.g 
240.0 
Oakland- _ 
22.9 
-mm* 
73.4 
Saginaw- — _ 
_ 
173.8 
St. Clair , 
20.8 
74.4 
197.0 
St. Joseph— 
.1 
25.0 
Sanilac . 
53.2 
. ^ 
168.0 
S hiawas s e e— . 

242.2 
Tuscola— . ‘ 
50.1 
0 
4i6.4 
0 
Van Buren- _ 
» 
Washtenaw- _ _ _ 
**9.7 
73.2 
167.6 
Wayne- _ 
59.7 
65.9 
116.0 
Average: 
- m -> 
22 counties- 
27.7 
164.7 
6 counties- _ _ 
— m* 
122.7 
162.0 
31 bounties— - 

l4s. 1 
