U 
THE PLUM CTJECTJLIO. 
Table XXXIII gives data on time spent in the ground by the cur- 
culio at Youngstown, N. Y., during 1906. A total of 826 larvse were 
under observation, and the average time hi soil for all beetles emerg- 
ing was 31.04 days, varying from 19 to 54 days. 
Table XXXIII. — Length of time spent in soil by the plum curculio, Youngstown, 
N. Y, 1905. 
Lar- 
va'. 
Adults emerging in specified days from time of entering soil by larvae. 
Date larva 1 entered soil. 
19 
20 
21 
22 
23 
24 
25 
26 
27 
28 
29 
30 
31 
32 33 
1 
34 
June 27 
40 
55 
1 
"9' 
2 
2 
13 
1 
9 
2 
5 
5 
3 
5 
11 
5 
1 
19 
1 
2 
11 
q 
2s 
2 
.... 
2 
5 
1 
29 
250 
2 
3 
Total 
345 
2 
2 
1 
.7 
10 
17 
10 
12 
19 
25 
14 
13 
July 1 
150 
126 
135 
70 
3 
1 
7 
3 
9 
13" 
5 
10 
4 
3 
2 
11 
2 
6 
3 
16 
3 
2 
3 
"8" 
3 
7 
6 
8 
Z 
2 
4 
3 
9 
2 
2 
2 
5 
Total. 
481 
2 
2 
6 
15 
27 
19 
22 
24 
11 
21 
13 
82(5 
2 
2 
4 
7 
7 
25 
44 
29 
34 
43 
36 
35 
% 
Date larvae en- 
Adults emerging in specified days from time of entering soil by larvse. 
Total 
adults 
Total 
davs 
tered soil. 
35 
36 
37 
38 
39 
40 
41 
42 
43 
44 
45 
46 
47 
48 
49 
54 
spent 
in soil. 
3 
3 
1 
1 
1 
1 
1 
34 
21 
96 
28.... 
29 
1 
4 
1 
1 
1 
Total. 
4 
» 
1 
1 
2 
1 
1 
1 
151 
4,711 
2 
1 
July 1 . 
....1 5 
....: 2 
i|.... 
78 
38 
39 
25 
2 
2 
1 
.... 
1 
1 
3 
Total... 
2 
1 ' 
2 
1 
1 
180 
5,565 
Total for sea- 
4 
5 
J, 
3 8 
4 
1 
1 
1 
1 
331 
10, 276 
Average time spent in the ground during Tune days.. 31.20 
Average time spent in the ground during July do 30. 92 
Average time spent in the ground during season do 31. 04 
Table XXXIY shows similarly the time spent in the soil by curcu- 
lios from miscellaneous collections at Myrtle, Ga. ; in 1906. A total 
of 459 larva? entered the soil, yielding 376 adults. The average time 
in the soil of all beetles was 25.95 days, the range being from 16 to 
46 days. 
