y= oe) Fea —<= 
LIFE HISTORY AND HABITS: THE LARVA. 67 
Taste XXVII.—Length of time spent by the plum curculio in fruit (egg and larval stages 
combined), Washington, D. C., 1905. 
Larvee emerged. i Total Total 
fe paige | riage | Suimber | number | Steer | Host 
pos- deposition. time in ae gO ORE ofdays | fruit. 
ited. Number.| Date. fruit. oped. | val days. in fruit. 
Days 
2) May 23 11.50 
| 2| May 24 12. 50 | 
(2?) | May 12 | 2| May 25 13.50 15 211.50 14.10 | Plum. 
| 3| May 26] 14.50 
6 | May 27 15.50 | 
| 2| May 30 15. 00 | 
7 | May 15 3 | May 31 16. 00 7 112.00 16.00 Do 
| 2|June 1] 17.00 || 
1 | May 16 1| June 2 16.75 1 16.75 16.75 Do 
May 16-17 3| June 3 17.50 3 52.50 17.50 Do 
| 1| June 1 14.75 
May 16-18 | 14/ June 2 16. 00 30 523. 75 17.46} (?) 
15 | June 3-6 19.00 | 
f 3 | June 3 15.50 | F ear =, Plum 
9 | May 18-19 4 pa bea atte ae i 5| 85.50 17.10 { a 
5 | May 19 5 | June 6 17.75 5 88. 75 17.75 Do. 
16 | June 5-6 15. 00 
(?) | May 20-23 | 7) June 7 16. 25 | 25 388. 25 | 15.53 Do 
2| June 8 17.25 | 
{ 6 | June 6 12. 75 | 
(?) | May 23-25 21 | June 7 14. 00 38 554.75 14.60 | Apple 
| 11 | June 10 16. 75 
| 2| June 6 13. 50 
16 | May 23-24 2| June 7 14.75 10 157.00 15.70 | Plum 
| 6|June 9| - 16.75 
| 1| June 7 13. 50 
14 | May 24-25 7; June 9 15. 50 12 188. 00 15. 67 Do 
i 4|June 10) 16.50 
9 | May 25-26 5 aoe ee 15. 50 5 77.50 15.50 | Apple 
5 une 7 13.00 
9| May 25-27 |{ albgune «> 1200 \ 7! 93.00) 13.29 | Plum 
Total and average......... Ss eSo0000 163 | 2,549.25 | 15. 64 
4] June 26| 19.25 | 
15} June 6-7 8 | June 27 20. 25 | 15 308. 75 20.58 | Apple 
i 3 | June 30 23.25 | 
June 9-10 4/ June 24 14. 25 4 57.00 14.25 | Plum. 
7 | June 10 2) June 21 10. 50 2 21.00 10.50} Do. 
1} June 25 12. 25 ? 
24 | June 11-13 Tae aie a ee a 21| 374.25| 17.82] Apple 
ajay) Bled bye aL 18.75 
9 | June 27 15.00 | = 
13 | June 10-13 { Pe aeneodt le sires er \ 11| 166.00] 15.09! Do 
10 | June 29 4.75 | 
20| June 14 { aie oy Ne caetce } ig| 273.50] 15.19| Do 
10 | June 14-45 { peo iea ln Goce \ 9] 129.00] 1433] Do 
2 | June 17 | 2! July 4 | 17.00 2 34. 00 17.00 Do 
Motal-andayerage.<25-< 2. ceese set 82 | 1,363.50 16. 62 
PotalionSeasou jase. ass dcscsce acess eee BAR eo Otonto. panacea 
AM ETarp ime spel plnicUib tor SCQS0M, GAYS. jews .c= sec ace soem san acre enwice ce maicanten aeiecee =n seen 15.99 
The records show a range for combined egg and larval stages of 
from 104 to 234 days, with the average for the season of 15.99 days. 
The total number of larve under observation was 245 and the sum 
of egg and larval days was 3,912.75. 
Observations made at Myrtle, Ga., during 1906, on miscellaneous 
lots of eggs and larve in peaches, during April, May, and June, are 
detailed in Table XXVIII. 
