LIFE HISTORY AND HABITS: THE PUPA. 
83 
Table XL. — Length of time spent in the soil by the plum curculio; totals for all 
localities — Continued. 
Locality and date. 
Days in soil. 
Siloara Springs, Ark., 
1908. 
Myrtle, (In., 1906, 
Barnesville, (la., 1010. 
Beetles 
emerging. 
Percentage 
of beetles 
emerging, 
by weeks. 
Beetles 
emerging. 
Percentage 
of beetles 
emerging, 
by weeks. 
Beetles 
emerging. 
Percentage 
of beetles 
emerging, 
by weeks. 
16 
0.79 
49. 49 
43. 58 
5.47 
.67 
f 
4 
3 
6 
12 
13 
f 20 
34 
62 
45 
46 
29 
3i 
f 24 
7 
10 
8 
5 
5 
2 
( 1 
1 
2 
5 
1 
10. 62 
69. 95 
15. 80 
2.85 
.78 
17 
18. . 
19... 
1 
1 
12 
41 
52 
62 
104 
199 
207 
213 
211 
160 
116 
97 
65 
74 
50 
24 
23 
18 
15 
10 
4 
3 
2 
3 
1 
2 
4 
0.06 
20 
21. 
1 
f 2 
12 
16 
29 
32 
24 
42 
f 43 
63 
61 
96 
139 
189 
209 
f 165 
152 
. 128 
42 
37 
25 
14 
9 
22 
23 
24 
25 
1 10. 01 
26.. 
27... 
28 
29 
30. 
31... 
32 
51. 02 
33 
34. 
35.... 
36 
37. 
38. 
39 
I 35. 91 
40 
41. 
42.. 
1 
43 
44 
45 
2 
1 
3 
6 
6 
4 
f 5 
1 
1 
46 
\ 1.85 
47. 
48 
49. . . 
50 
51 
52 
53 
.89 
51 
3 
56... 
4 
57 
58 
1 
59 
1 
1 
. 28 
6] 
62 
Total 
1,774 
100.00 
3S6 
100. 00 
i 5i a i oa.no 
LENUTH OF PI PAL STACK 
AND TIME S ! • E N T IN SOU. 
PUPATION. 
BEFORE AND AFTER 
The data on the length of time spent in the soil do not show the 
length of the pupal instar, since a few days arc spent by t ho larva in 
its eel! before transforming to the pupa, and after the pupa has trans- 
formed to the adult, ov beetle, a variable time is spout before the 
insect makes its escape from the ground. Tins latter period will vary 
