30 DECIDUOUS FRUIT INSECTS AND INSECTICIDES. 
TaBLE XIV.—Band records from 11 apple trees, Walnut Creek, Cal., 1910. 
Number Number | Number |) Number 
Date of of larvee | Date of of larvee Date of of larvee Date of of larvee 
collection. |and pup), collection. |and pupz || collection. |and pup!) collection. jand pup 
collected. \ collected. | collected. collected. 
= = | : | | 
Tune a leo] 252) || June 28% =. 196 } Thy 26/4 5eeee SON | Ae 23s 88 
(ieee he PAO ||| diol Wajog =e | 1059} Aug 325-== =. 93 ————— 
IN eee 394 | LOREEN 125 Oeeadee 120 || Total. . 1,991 
P) eee 185 | IO) fere eat | 71 1G nonce 82 I 
| i 
It will be seen (fig. 10) that the maximum number of larvee and pup 
was collected on June 
14, 1910, as against 
June 26, 1909 (figs. 7 
and 8), showing that 
the greatest number 
of larve and pup 
was present nearly 
two weeks earlier in 
1910 than in 1909. 
Tables XV _ and 
XVI show emergence 
of moths from ma- 
(ee eee ee 
terial collected un- 
3 10 17 24)1/ 8 IS 2229185 /2 19 
SUNE YSULY AUG: der bands at Walnut 
tice Vantaa : : 
Fia. 11.—Band records from 15 Bartlett pear trees at Suisun, Cal.,1910. UI eek and Suisun in 
(Original.) the summer of 1910. 
Both tables are illustrated diagrammatically in figures 12 and 13. 
sae 
Be 
ma 
als 
Ba 
mie 
aes 
ere 
Re 
me 
TABLE XV.—Weekly record of emergence of moths from material collected under bands 
on 11 apple trees, Walnut Creek, Cal., 1910. 
T 
: Number : Number . Number | - Number 
eateeice ohaares eiaeenes eos Bneeoses planes | sneer eon 
8 * | emerged. | 8 * | emerged. 8 * | emerged. | 8 ~ | emerged. 
June 22...... 8 \\'dtily 202... 65 || Aug.10...... 36M || Aue ral eee 50 
PS Bone 175 Oy (pe eeee 84 || ay eerne 36 || Sept. 7.....- 15 
‘whe Wascone 133}; Aug, 3.....- 30 Pe ODOG 76 | 14.5 ate 4 
1 eeeee 228 | 
| 
TasBLeE X VI.— Weekly record of emergence of moths from material collected under bands on 
15 Bartlett pear trees, Suisun, Cal., 1910. 
4 Number ~- Number | Tr. Number i Number 
pte of moths arene of moths | eee of moths | sae of moths 
j 8 * | emerged. gence. | emerged. | 8 * | emerged. | 8 * | emerged. 
June 19......] ta Roly Ose one 740i Siesee = | 7 | Apso eee 14 
56Natee | 13 || iV Saecee 26) ||(CAee ee ceee | 9 | OT aoe 2 
DUG? BS oes 25 || OY Ne ree | 18 | I ee 6 || Sept. 4...... | 2 
| | 
There is a noticeable difference in the dates of development of the 
first-brood larve and the emergence of moths from this brood in the 
