16 
DECIDUOUS FRUIT INSECTS AND INSECTICIDES. 
Tas_e I1.—Dates of pupation, duration of pupal period, and datés of emergence of moths 
of spring brood from overwintering larvxe, Walnut Creek, Cal., 1910. 
Date of— Date of— Date of— 
Indi- : er Indi- | __ = Indi- 
vidual supe vidual | , I ay vidual I 
No. Pupa- | Emer- B No. Pupa- | Emer- | P&™ | No. Pupa- | Emer- I z 
tion. gence. tion. gence. tion. gence. 
Days. Days. || Days. 
ae Mar. 12 | Apr. 17 30 | 42. Says Mar. 20 | Apr. 18 29 S2oncee Mar. 25 | Apr. 27 33 
Depese 2 7 30: | 4gb ee 20 22 Se: ||| eeaseeee 26 26 31 
ued J 12 16 35)\||/ 445222 20 30 A G84 ees 26 28 33 
Bees 13 18 367 |) 45veee = 20 20 Sue RS asa 27 30 34 
ae 13 18 361|| 46s eeee 20 20 SL G86neeo. 28 30 33 
Gee: 13 17 Boul | eaieoeee 20 24 Boson e 28 30 33 
(Oaone 14 14 B2HpASee see 21 | May 1 41 || 88..... 28 | May 3 36 
So aa: 14 16 BY BT ler ee 21 | Apr. 18 28 |; 89....- 28 7 40 
oa 14 17 300 5052 5-2 PA 22 By ana eee 29 2 34 
OS eee 15 17 OAs l|eoleneee mil 23 San elena 30 | Apr. 30 31 
il Spee 15 17 34 || 525... 21 24 SAW 92. oe. 31} May 4 34 
LD ee ae: 15 14 30)i||todennee 21 24 O4n Osea ene ail 9 39 
ib eee 16 18 SB} | ae ee 21 21 Ol 194e2 fee 31 12 42 
aes 16 18 Bo ||PoDseeee 21 24 oe Ooms sen 31 3 33 
yee 16 16 31 |} 56..... 21 20 30) 96s2 252 Apr. 1 6 35 
Lowe! 16 20 BS II Sepa ane 21 20 SON eOiaee = 2 | Apr. 24 22 
feo i 16 30 |} 58.-_-- 21 21 BS) lessees 2 27 25 
LE ee 17 21 S0u||pooseene 21 23 33 || 100. . 2 30 28 
19s eee 17 15 29 60252 - 21 22 32) || LOL 2 28 26 
2) sane 17 17 SH iles Se 21 18 28 || 102. 2) May 3 31 
ies | 17 | May 2 46 || 62....- 22 22 31 || 103. 2| Apr. 26 24 
22 | 17 | Apr. 21 5m ogee ae 22, 22 31 || 104. 2) May 3 31 
Dao 17 20 OF) || 64a 22 24 30) || 105s... 4 6 32 
7d ee al 17 16 30 || 65. .--- 22 22 31 |} 106. 5 9 34 
7A eee 18 18 Se OOhe a2 22 24 33 || 107. 6 | Apr. 30 24 
26s 18 18 SI Wi GEE ee 22 26 35 || 108. 8 | May 6 28 
ee ae 18 19 2 ||MOSse ee 22 23 32 || 109. 8 7 29 
ves See 18 16 29 OOhe ee: 22 28 ot OEE 8 11 33 
2955552 19 20 Boll Ose 2) 18 P| ali ee 8} Apr. 29 21 
A) ee 19 18 SO) gee 22 21 30) || WW2.- 9 30 21 
Mil gee 19 16 2S ilies seen 22 20 29 || 113.. 9 | May 14 35 
BUS eee 19 22 Seal io eeee 22 22 SH ass 9 10 31 
OSes 19 17 QO Wace sce 22 22 Sin lee 9 6 27 
Sy eae 19 17 OAM cde are = 22 23 32 || 116.. 9 | 6 27 
Rie eaae 19 24 SM Weed 22 22 Si ellie 10 5 25 
ae aee 19 16 Paes eae 22 20 29 || 118. 10 7 27 
Sie 19 16 ORul li Sesaee 24 23 30 
Sonne 20 22 255 \eiOeeeee 24 26 33 ACPA SOs. Secie ee 30. 86 
5 | Ree 20 21 32)|/5805- 2-2 24 27 34 Maximum ........ 46.00 
AES. 20 24 CPN | ics Les | 24 26 33 Minimise ses 21.00 
Ae 20 21 S2e 
Table III gives records for 31 larvee which 
doors at San Jose, Cal., in the spring of 1909. 
pupated in vials out of 
Tase II1.—Dates of pupation, duration of pupal period, and dates of emergence of moths 
of spring brood from overwintering larvx, San Jose, Cal., 1909. 
= | 
Date of— \ Date of— Date of— 
Indi- Sill cibavelies Indi- 
vidual | | Fupe vidual Eupel | vidual Pues 
No. ; Pupa- | Emer- | P&0°-|| No. Pupa- | Emer- | Petoc- | No. Pupa- | Emer- pen 
tion gence || tion. gence tion gence 
=| 
Days. Days. Days 
ere Feb. 20 | Apr. 17 BO |||sloseeee | Mar. 11 | Apr. 28 AS 25am Mar. 9| Apr. 28 50 
2asge 2 Mar. 5 26 52 || 14..... 4 26 Rui ZAoaeer 24 28 35 
Saccee 29 | May 3 300} lone eer 13 | May 1 AQUA e2isr aise 24 28 35 
ae Apr. 9 11 Onl Ga eee 12 | Apr. 29 48 || 280, 29 28 30 
Tas a Mar. 23 3 7G in Uefa Apr. 6 | May 10 Sa 2G cee Apr. 1} May 3 32 
(eeeee 15 3 AON el Seeaee Mar. 8 | Apr. 28 I ela 12 4 22 
Wises 26 3 G13) eee Apr. 1 | May 3 32 Iasi ee 12 17 35 
Seas: 27 3 Sel 20 ese 1 3 32 — 
Gare 9} Apr. 26 ARON alone 1 3 32 JANCTAZ CL 5 coe no =see 40. 61 
LOSE 4 26 53 || 22 .| Mar. 29 3 35 Maximrumls 2 aeeaceee 56. 00 
Tt ees = Apr. 1} May 1 SOU \\p2oeeeee 9 | Apr. 28 50 Minimum. eee eee 22. 09 
7a ee Mar. 30 6 Sia led eee 9 26 48 | 
| 
