CODLING MOTH IN NORTHWESTERN PENNSYLVANIA. 
89 
TABLE XXII.—Life cycle of the first generation, as determined by rearing during 1909. 
Date of— Days for— 
Egg dep-| Hatch- aeites Pupa- Pa Hatch-| Feed- Beat Pupal ss 
aaa ing. the fruit.| “0? moth. | 128 iNB- | eocoon.| Ped. | cycle 
July 27 | Aug. 5/ Aug. 20 7 27 9 15 58 
adobe. Aug. 3| Aug. 18 7 27 7 15 56 
Sdo Rete Aug. 2| Aug. 15 7 27 6 13 53 
PEO seers <G Olea Sad Olsen 7 27 6 13 53 
July 28 d 7 28 11 15 61 
Eidouee Li 28 7 12 54 
se -GOseaa- 7 | 28 6 14 55 
July 29 7 29 7 14 57 
Sa (ores 7 | 29 ap 14 61 
July 30 7 SOR ONS = Seal eee oe 53 
July 22 6 | 22 7i 11 46 
SEO: dace 6 22 6 14 48 
BeOS ees 6 22 6 14 48 
July 27 6 27 3 12 48 
Aug. 1 6 31 8 11 56 
Aug. 3 |. 6 | 33 6 14 59 
July 19 6 17 4 11 38 
wadOs ek: E 6 17 4 13 40 
Aug. 3 6 | 32 6 15 59 
Aug. 8 6 | 37 oa 16 64 
July 22 mame y 218 Gil. de 43 
July 30 7 26 9 | 15 57 
July 28 8 | 22 Lid ak Pee eet 
July 29 8 | 23 Sil arses | eae 
July 31 8 25 lao bee esee es 
Aug. 1 8 | 26 5 | 13 52 
Aug. 3 8 | 28 Giles See lee ace 
Aug. 4 8) 29 6 15 58 
Aug. 5 8 | 30 Gee see tal Seiten 
Aug. 1 9 24 a 11 51 
Aug. 2 9) 24 13 | 13 59 | 
Aug. 4 9) 26 i | nee eat tral ie ieee 
Aug. 9 9 | 31 Bi | Sa tee seleeeae nse 
eer eee dOx-2- 9 | 31 11 fal Pee Rept ae 
Aug. 10 9 | 32 7 WER Ba a sl eee 
Aug. 1 9 | 22 15 15 61 
Peete dors... Bile 6 922 8} 14] 53 
Aug. 6 9 | 27 10 | 14 60 
Aug. 8 9 29 eee ee | a 
Eneerollose One se 9 29 10 16 64 
July 25 9 | al4 6 | 14 43 
Aug. 5 9 25 (se eke eae bag 
Aug. 10 9 30 1D | Sapa Reale a so 
Aug. 5 9 | 24 LUG Ni Rie Jorsoscoe 
Aug. 14 oF} 33 Dileocconecileok bocce 
Aug. 4 8 | 23 4 | 14 49 
Aug. 6 8 | 25 SHG REG aria a 
Aug. 7 8 | 25 2 ido Baer eee sor 
dor 8 | 25 6 ae eas} 
Aug. 9 8 27 Tfed eee Ppa al Ls ce ga 
Aug. 10 8 28 4 14 | 54 
‘Aug. 13 8 31 Bieta, eas eet 
BP eee 1 ee ha es Panes eae 
| 408 | 1,397) 368450 | 1,824 
| } 
TaBLeE XXIII.—Life cycle of the first generation. 
a Probably from infested apple. 
Summary of Table X XIT. 
Days for— 
Observations. 4 5 oe l aap eae 
Hatch- a | Making | upa ota 
ing. Feeding. “of cocoon. period. life-cycle. 
| | 
ANORAEG caer citi ae ae 7.7 | -26.36 7.09] 13.63] 53.64 
Maximumlssuee ss. c ease 9 37 19 16 64 
Minimums se eee eee te ee 6 17 3 | 11 38 
