THE BOLL WORM OF COTTON. 
DESTRUCTIVENESS. 
The damage to corn by the Boll Worm is difficult to estimate, owing 
to the nature of the attack. Its ravages in the "bud" of the young 
plants and later in the ends of the ears taken collectively no doubt are 
considerable, though no definite per cent can be given. Tomatoes, 
cucumbers, and melons also suffer more or less seriously from its rav- 
ages. It is the attack upon cotton which is considered most serious 
and supposed to be of great proportions. To determine the amount of 
damage to cotton in the regions visited the past season the following 
studies were made. The first was made August 14, in a large field of 
upland cotton surrounded by woods. Two rows were taken at random 
in the field ; the first was rank high cotton, the second a smaller growth. 
About 10 feet of each row were marked off and all the bolls on the 
plants in each counted. (See Table I.) 
Table I. 
Row. 
Good bolls. 
Loss by 
Boll Worm. 
Loss 
by other 
causes. 
Total. 
1 
2 ... 
290 
270 
2 
1 
95 
43 
389 
314 
The next study was made September 16, in a small field of rank 
bottom-land cotton. The first five plants were taken at random, the 
next fifteen successively in one row. (See Table II). 
Table II. 
Plant. 
Good bolls. 
Loss by 
Boll Worm. 
Loss 
by other 
causes. 
Total. 
l 
2 
40 
21 
4 
30 
34 
19 
18 
35 
17 
70 
33 
42 
49 
3 
10 
33 
25 
72 
17 
7 
7 
2 
3 
10 
11 
2 
9 
9 
C 
7 
4 



2 
2 
2 


13 

20 
34 
'JO 

15 
12 
9 
1 
9 
4 


2 
11 
24 
3 

52 
3G 

53 
78 
50 
20 
59 
38 
85 
41 
53 
3 
10 
37 
38 
98 
20 
7 
3 
4 
5 

7 
8 
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19... 
20 
Total . . . 
579 
78 
182 839 
