May s, 1923 
Striped Sod Webworm 
403 
Table I. —Rearing records of Crambus mutahilis under observation in the laboratory or 
insectary from egg to aiw//—Continued 
Cage No. 
Eggs laid. 
Moth out. 
Number 
of days. 
Sex. 
Number 
of moths. 
J. 
July 21 
Sept. 23 
64 
c? 
I 
15406. 
24 
11 
49 
d 
f •A 
I 
15406. 
24 
13 
51 
/ 5 d' 
1 4 9 
} ’ 
15406. 
24 
14 
52 
f I c? 
1 3 9 
} ^ 
15406. 
24 
17 
55 
r I s 
1 I 9 
} 
15414. 
27 
18 
53 
9 
2 
16221. 
29 
22 
55 
c? 
I 
16221. 
29 
24 
57 
S 
I 
16221... 
29 
29 
62 
e 
I 
16221. 
29 
Oct. I 
64 
9 
I 
16221. 
‘ 29 
3 
66 
d 
I 
16221. 
29 
17 
80 
d 
I 
16221. 
29 
19 
82 
9 
I 
16221. 
29 
Nov. 6 
98 
9 
I 
16221. 
29 
14 
102 
9 
I 
16221. 
29 
Apr. 23 
268 
9 
I 
16221.. 
29 
May 21 
296 
I 
15476. 
Aug. 6 
Oct. 19 
74 
9 
I 
16260... 
II 
Apr. 23 
255 
2 
162 . 
16 
May 2 
259 
I 
162 «CQ. 
16 
21 
278 
X 
162 tro. 
16 
27 
284 
2 
R2. 
Sept. II 
Dec. 9 
58 
9 
I 
15607. 
12 
May 26 
256 
d 
I 
15602. 
17 
June 2 
258 
9 
3 
15619. 
27 
I 
247 
2 
15619. 
27 
5 
251 
9 
I 
* Reared in laboratory 
Table II is a record of all the rearings of larvae collected in the field, 
showing in most cases- the interval between the activity of the larvae in 
the spring and the appearance of the moths of the first generation. The 
data apply to middle Tennessee unless otherwise stated. 
Table II. —Rearing records of Crambus mutabilis larvcB collected in the field 
Cage No. 
Larva taken. 
Moth out. 
Sex. 
Source. 
182. 
Apr. 3 
May 25 
c? 
Grass roots; fed blue grass. 
15141. 
20 
24 
d 
Blue grass. 
1655 . 
21 
June 27 
9 
Grass. 
1824. 
29 
3 
9 
Com, 
12358 . 
May 9 
13 
9 
Corn. 
Field note.. 
10 
Clump grass; not reared. 
16104. 
10 
May 29 
'd 
Grass. 
12358 . 
15 
June 8 
Cora. 
15359. 
July 7 
July 27 
9 
Blue grass. 
15359. 
7 
Aug. 9 
9 
Blue grass. 
C999G. 
27 
Sept. 10 
Timothy, Athens, Ind. 
C1037. 
Aug. 6 
5 
d 
Timothy, Nortonville, Ky. 
11:641. 
Sept. 20 
Timothy, La Fayette, Ind,; not reared. 
15687 . 
Nov, 9 
Blue grass, Nashville, Tenn.; not reared. 
