82 DECIDUOUS FRUIT INSECTS AND INSECTICIDES. 
TasBLeE VII.— Mating and oviposition of the California peach borer. 
| | 
x. Un- 
Indi- | Oviposi- ‘yer irate Total 
vid. | Moths intro- : | Oviposi- on Period of | Moth | Life} of | gee, | num- 
duced into Mating. tion sek cane Aor of | eggs 88 | ber 
ual aa ae com- | oviposition. dies. h dis- 
NGI ages. egins. | pleted. zee & \sected| , of 
posit-\"F-om | &&88 
ed body. 
1908. 1908. Days. 
O15 nalivesl! ere July 17,9 a. | July 18.. (?) About 3 | July 22.. 5 | 186] 144 280 
m. days. 
Pa oo (6 Co ee ne RPE Reet [hte tea eh «er a ee ec pee July 20 3 66 | 482 548 
(male) 
July 22 De Se beeen aes 
(female). 
Bia] pa d0s-—5-- J. Ley LAE | Sally: 18 7.) o ee SE Saeet eis |e ete ee ter tee err (yi Fee 
10.50 a. m. 
to 12.10 p. 
m. 
45 ehalyal 8s. --| Not Observed) aiutliye 2025) See seee ses eelseese lence | eee | Gere 305 | 319 624 
Shaft acl eee Seesec Se TUL ye Qe eee sees paces eeeeree July 22 Lo ass -.soSsealenece 
male, 9 fe- . (6male, 
male). 5 fe- 
male). 
July 23 OM cose le cote Serer 
(1male, 
3 fe- 
male). 
July 24 Oo Sana at ele 
(2male, 
{ 1 fe- 
male). 
6 | July 22......| Notobserved| July 23..| July 24..| 2 days......| July 25.- 3 | 204 65 269 
7 | July22,noon.|....- domece- Nerliy#235 9 |eee d Ores esd Olen oe ae ed Oseen 3 | 268) 123 391 
9a. m. 
Si edllyp23 eae ee eee Got <2 | July 24..) July 25..| ...do ....-- peeHdOee 2| 168} 126 294 
9 | July27,noon.|.--.- dos aat8 | July 29..| July 29..) 1 day.....- July 29.. 2 6 f 193 199 
10a) aoe dof==e== July 27, 9.30 | July 28, | July 28, | 4hours.....| July 28, 1 92} 166 258 
to 1l a. m. 9a.m. noon. noon. 
11 | July 27, 2p. | Notobserved|....do-...| July 29, | 2 days...... July 29, 2} 639 98 737 
fe mets 6 p.m. 6 p.m. 
12a Avera sl S08 he =. Gooas222 Ante.) 3) | -Aue:y boule days sees a Oae One. Slt DLO Ee | exes 
eve Tn 3 p.m. joey 2aale 
1 3 Ee doxse anlar doceceee 2h Ol acs] ATU SS 4 eo da ysence = a|(Alie aoe 2) 63 | ee | eee 
p.m. 
14 |} Aug.5, 10.30 |....- doleeeee PATE: 1622 CARTE A isms GO heen Aug. 8 .. 3 595 |bscese See a 
a.m. Pe als aaa 
NGS | (eo eiS BiioS |lseaoe dozer ATR 8! ol Seater tac Sates Aug. 10. B*| 298 2)2 SoS) Sacer 
m. 
1 Git RANTS SLO) coe os PALAL Oe, TNO ee Salers scala a| tersorcelebiee | aeteoeinete aie aes Aug. 12. 2! 2622 Soe eee 
10.30a.m. 
to 12noon. 
TNs CWaseece Aug. 10, 10 | Aug.10..| Aug.14.-| 5 days......| Aug. 15. Cin fe RE sel = 
a.m. to 12 
noon. 
1 Male had mated previously with another female for 1 hour and 17 minutes. 
2 Many eggs laid, but none hatched. 
3 Male had mated previously. 
Table VII indicates that moths began oviposition a few hours after 
issuance, or at the latest on the following day, The period of ovipo- 
sition of a single moth is seldom longer than two or three days, and 
the moths die immediately thereafter. 
LENGTH OF LIFE OF THE MOTHS. 
Moths which were kept from mating were found to die without hav- 
ing placed any or at least only a few eggs. Female moths die imme- 
diately after oviposition is completed. Males die soon after mating. 
Oviposition within the rearing cages would begin within a few hours (8 
to10) after mating, and always within 24 hours; it would be completed 
within 3 or 4 days and none was observed to live longer than 5 days. 
