16 DECIDUOUS FRUIT INSECTS AND INSECTICIDES. 
TaBLe II.—Dates of pupation, duration of pupal period, and dates of emergence of moths 
of spring brood from overwintering larvex, Walnut Creek, Cal., 1910. 
Date of— 
n 00 Vo eee ee Der 
vidual 
No Pupa- | Emer- 
tion. gence 
1 eae Mar. 12 | Apr. 17 
Ase =e 12 17 
Oe 12 16 
ears it 13 18 
pean 13 18 
Gee. 13 17 
(See 14 14 
Sieaee 14 16 
ares 14 17 
LO 15 17 
eS 15 17 
1 be 15 14 
iB ye ee 16 18 
LA 16 18 
me see 16 16 
GES aa 16 20 
Ie Soae 17 16 
Lb ees 17 21 
19uece 17 15 
DF eae 17 17 
21k ae 17 | May 2 
Dose ae 17 | Apr. 21 
Doon eis 17 20 
DAoC 17 16 
Doane 18 18 
2625 se 18 18 
74 eran 18 19 
28.55 ve 18 16 
248) are 19 20 
303622 19 18 
oi a 19 16 
O2h ae 19 22 
Boece 19 17 
bf odes 19 iy 
Spwesoe 19 24 
36 19 16 
BVieeeee 19 16 
Bias ae 20 22 
Bit eee 20 21 
AOS Se: 20 24 
i eS 20 21 
Date of— 
Pupa- | Emer- 
tion. gence. 
Mar. 20 | Apr. 18 
20 22 
20 30 
20 20 
20 20 
20 24 
21 | May 1 
21 | Apr. 18 
21 22 
21 23 
21 24 
21 24 
21 21 
21 24 
21 20 
21 20 
21 21 
21 23 
21 22 
21 18 
22 22 
22 22 
22 24 
22 22 
22 24 
22 26 
22 23 
22 28 
22 18 
22 21 
22 20 
22 22 
22 22 
22 23 
22 22 
22 20 
24 23 
24 26 
24 27 
24 26 
Date of— 
Indi- 
vidual Supe 
No. Pupa- | Emer- geste 
tion. gence, 
Days 
822505. Mar. 25 | Apr. 27 33 
(o 8 aeiaee 26 26 31 
ce ee 26 28 33 
8bseee- 27 30 34 
8625.-2 28 30 33 
Si sae 28 30 33 
S8hasce 28 | May 3 36 
89 28 40 
90.322 29 2 34 
OIC see 30 | Apr. 30 31 
92 ieee 31] May 4 34 
932-5 31 9 39 
94: 555 31 12 42 
Ob: eee 31 3 33 
Ceres Apr. 1 6 35 
OT ctee 2 | Apr.24 22 
98. b<2- 2 27 25 
100... 2 30 28 
101... 2 28 26 
102. 2) May 3 31 
1O3eeee 2) Apr. 26 24 
104. 2| May 3 31 
105322 1 6 32 
106. - 5 9 34 
107. 6 | Apr. 30 24 
108. 8 | May 6 28 
109. 8 29 
110. 8 il 33 
111. 8! Apr. 29 21 
112. 9 30 21 
113. 9 | May 14 35 
114. 9 10 31 
Ine 9 6 27 
UGES 9 | 6 27 
ililene 10 5 25 
TUSSe S| 10 7 27 
AVCLASG on aea eee 30. 86 
Maximum. paces 46. 00 
Minimum......... 21.00 
Table IIT gives records for 31 larvee which pupated in vials out of 
doors at San Jose, Cal., in the spring of 1909. 
TaB_E IIl.—Dates of pupation, duration of pupal period, and dates of emergence of moths 
of spring brood from overwintering larve, San Jose, Cal., 1909. 
Date of— 
No. ; Pupa- | Emer- | 
tion. gence. 
Date of— 
Pupa- | Emer- 
tion. gence. 
ee Feb. 20 | Apr. 17 
Jae Mar. 5 26 
Shaeee 29 | May 3 
AS ooh Jt Apr. 9 il 
isaeae Mar. 23 3 
Cheers 15 3 
peace 26 3 
Shcced 27 3 
Outre 9 | Apr. 26 
TOe eer 4 26 
sult aes Apr. 1| May 1 
Date of— 
|| Indi- |. 
vidual rue 
=i! No. Pupa- | Emer- |P : 
tion gence 
Days 
D5 ee Mar. 9] Apr. 28 50 
PAs 24 28 35 
BE 24 28 35 
QBs 29 28 30 
TORS 2 Apr. 1| May 3 32 
30a Ene 12 4 22 
our 12 17 35 
ASVGNS EE les = eee er 40. 61 
Maximum: 5. .5:2-.- 56. 00 
Wovovireayobo Ss eee. 22. 00 
