TABLE X X I I I - continued
Mortality
1960-61
1961-62
1962-63
1963-64
1964-65
Stage
Month
factor
I
lOOq
d
1
1OOq
d
1
1OOq
d
1
1OOq
d
I
1OOq
d
Eggs
July
28
Trichogramlna
26.8
Miscellaneous
3.9
7.5
1.1
Total
30.7
Miscellaneous
61.4
11-111
Miscellaneous
13.3
Larvae I July
19.4
Larvae
August
7.5
Larvae
Sept.
6.5
111-IV
Parasites
Miscellaneous
Total -
Larvae
Oct.
Nymphs Nov.
3.6
IV-VI
Miscellaneous
0 .o
14.6
Miscellaneous
36.1
Winter
Pupae
Dec.
2.3
predation
2 *9
Niscellaneous
0.6
Parasites
33.6
Miscellaneous
1 *3
Pupae
April
2 a3
8.6
11.9
1 .o
0.0
2.9
1 *3
0.07
0.01
0.77
0.03
Total
34.9
Sexratio(% 8 8 )
47.0
Moth mort.
Moths
June
1 *5
Moths 99
0.79
index
60.6
0.80
0.71
0.48
61
22.3 13.6
11.7
7.1
34.0 20.7
_ _ _ _
40
26.3
25.6
-
6.2
3.5
34.2 13.7
2.7
0.;
1.7
0.43
74.3 19.0
43.6
2.7
0.04
] 0'29 0.06
28.4
0.97
9.7
0.33
3 *4
- -
38.1
1.3
59.2
1.2
2 *1
0.86
31.1
0.27
99
15.9
6.8
22.7
67.5
-
77
24.8
20.18
-
2.6
37.9
40.5
43.2
34.5
__
14.8
8.4
5.5
9.1
0 .o
40 *6
38.0
78.6
50.8
5 .O
-
1.1
0.54
52.0
-
Mean fecunditv
196
169
181
15.7
6.7
47
22.8
13.5
10.7
6.3
10.0
8.4
2.9
0.50
-
2 .O
1.9
3.9
0.56
0.28
-
0.79 X 196 = 155 0.86 x 168 = 114 0.54 X 181 = 98
61
99
47
36.3
39.0
0.0
9 4
22.4
31.8
31.2
43.0
30
18.3
18.3
-
12.5
8.6
4.9
6.1
0 .o
6 3 4
18.9
4.6
17.0
11.7
0.0
1.7
4.1
5.8
3.9
3.7
0.3
-
2.9
0.87
82.3
47.5
0.83
0.44
45.5
3.77
0-39
0.20
42
40.7 17.1
18.6
7.5
59.3 24.9
62.0 10.G
43.1
2.8
- -
17.1
6.5
3.7
6.6
0.24
31.2
1.2
37-8
1.4
30.4
0 . 7
- -
2.3
1.6
175
0.44 X 175 = 77
42