662 
Journal of Agricultural Research 
Vol.V, No. 15 
Table I.— Effect of cold-storage temperatures upon eggs and larvce of the Mediterranean 
fruit fly —Continued 
Number of days in 
cold storage. 
Tempera¬ 
ture of 
storage 
room. 
Eggs. 
Larvae. 
Number 
under 
observa¬ 
tion. 
Num¬ 
ber 
hatch- 
First instar. 
Second instar. 
Third instar. 
ing 
after re¬ 
moval 
from 
storage. 
Num¬ 
ber 
alive. 
Num¬ 
ber 
dead. 
Num¬ 
ber 
alive. 
Num¬ 
ber 
dead. 
Num¬ 
ber 
alive. 
Num¬ 
ber 
dead. 
° F. 
IO 
12 
13 
14 
15 
16 
20 
23 
25 
28 
30 
38-40 
38-40 
38-40 
38-4O 
38-40 
38-4O 
38-40 
38-40 
38-40 
38-40 
38-4O 
38 
4 
3 
o 
*5 
o 
o 
o 
o 
o 
o 
8 
2 5 
60 
3 ^ 
46 
99 
42 
43 
18 
33 
44 
19 
8 
26 
19 
15 
0 
17 
40 
5 
24 
14 
148 
0 
39 
0 
84 
0 
133 
0 
27 
10 
36 
1 
6 
1 2 S 
4 3 
o 
o 
I 
9 
3 
4 
5 
6 
8 
9 
11 
14 
15 
17 
19 
20 
21 
22 
23 
24 
25 
26 
28 
29 
3 1 
32 
33 
36 
37 
38 
39 
40 
41 
42 
44 
45 
46 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
40-45 
12 
12 
55 
19 
26 
0 
8 
3 
16 
12 
14 
7 
3 i 
17 
14 
1 
3 1 
1 
30 
0 
26 
6 
21 
0 
67 
2 
127 
0 
5 ° 
0 
*5 
0 
21 
0 
38 
0 
37 
79 
107 
34 
79 
130 
80 
138 
187 
135 
103 
92 
68 
14 
3 ° 
o 
1 
o 
o 
o 
. o 
o 
o 
o 
o 
o 
o 
o 
o 
o 
97 
182 
281 
95 
9 
131 
161 
8 
290 
218 
345 
204 
42 
84 
112 
92 
39 
36 
23 
160 
125 
89 
106 
27 
4 
5 
7 
3 
7 
1 
o 
2 
o 
o 
I 
o 
226 
220 
88 
320 
208 
112 
201 
139 
318 
397 
393 
377 
385 
401 
330 
292 
200 
689 
476 
Temperatures ranging from 32 0 to 33 0 proved equally fatal, the effect 
on 5,055 eggs being practically identical with that recorded for an even 
32 0 F. Thus, no eggs hatched from batches removed between the ninth 
