LIFE HISTORY AND HABITS: THE PUPA. 
83 
TasLte XL.—Length of time spent in the soil by the plum curculio; totals for all 
localities—Continued. 
Days in soil. 
Loeality and date. 
Siloam Springs, Ark., 
908. 
Myrtle, 
Ga., 1906. 
Barnesville, Ga., 1910. 
Percentage 
of beetles 
emerging, 
by weeks. 
0. 06 
10. 01 
51. 02 
35. 91 
1.85 
- 89 
Pereentage Pereentage 
Beetles of beetles Beetles of beetles Beetles 
emerging. | emerging, | emerging. | emerging, | emerging. 
by weeks. by weeks. 
| ~ 
Se NS. at eiooe 
SN ae eer a | eee ee 
0.79 Bf 1-62 fyrcsssciae 
467 | ig || leer ee arene 
13 1 
20 2 
} 34 12 
62 | 16 
49. 49 45 | 69. 95 29 
46 32 
29 | 24 
34 | 42 
24 | 43 
7 | 63 
10 61 
43. 58 «8 15. 80 96 
5 139 
5 189 
| 2 209 
1 165 
| 1 152 
2 128 
5. 47 5 2. 85 42 
1 37 
AO re 25 
[ 1 14 
epee ee 9 
1 eras he Aono 3 | 
- 67 | 1 78 | 6 
dacoseceace 1 
BES. ARE SS 6 
Westepeeeces 4 
5 
1 
1 
Pe pS correla EAS USe Gone Barre oreein ce Se cece anc | Hemeeeecee Bs 
ee oeise < 
Scene a oee 
ey Rayale aietaiate Pater clelcte-wistetsla faint tmivloapeseintaie alse ciclamaaiwclt A mc 1 | 
1 
1 
1,77 100. 00 | 386 | 100. 00 1,568 
LENGTH OF PUPAL STAGE, AND TIME SPENT IN SOIL BEFORE AND AFTER 
PUPATION. 
The data on the length of time spent in the soil do not show the 
length of the pupal instar, since a few days are spent by the larva in 
its cell before transforming to the pupa, and after the pupa has trans- 
formed to the adult, or beetle, a variable time is spent before the 
insect makes its escape from the ground. ‘This latter period will vary 
