CODLING MOTH IN NORTHWESTERN PENNSYLVANIA. 97 
TaBLE XX XIII.—Records of larvx collected from banded trees during 1909. 
Number of larvee. Number 
Number 
No.of | Date of ead gE) ot RRS | of win 
record. : Upper | Lower igh 8 | tering 
Ss bands | bands ia ote ized. aye larvee, 
(5 trees). | (5 trees). (16 trees). ( ). 
1 Tul yah || eee sheets 13 6 Cee Bese aas ee 
2 July 16 3 2 29 11 LG) |B see ree 
3 | July 19 4 5 19 1 16 2 
4 July 22 6 2 21 1 PAU | eta a a 
5 July 25 8 3 24 1 18 5 
6 July 28 11 vf 54 2 30 22 
7 lh Tuly, 31 10 14 48 2 23 23 
8 Aug. 3 22 17 (Ee ee 51 23 
9 Aug. 6 24 10 220 |e tocar 30 32 
10 Aug. 9 23 15 Me eee AAS: 40 37 
11 Aug. 12 23 22 Loa ca Mee 45 52 
12 Aug. 15 15 18 Te | eae eae, 3 76 
13 Aug. 18 13 19 eine susskabes| |S. ae onSs 68 
14 Aug. 21 8 30 ted Aeee eee ol Eb OReee bas 88 
15 Aug. 24 13 19 tat Jel RSet babar iae || bat Beat 83 
16 Aug. 27 18 26 100 DPR cad amce 99 
17 Aug. 30 14 24 EE ale we Bee ie Ey at 94 
18 Sept. 2 8 11 SGI Maree ot ooh eee 56 
19 Sept. 5 6 15 (04 la hi | eA tard a 64 
20 | Sept. 8 7 10 BI) lle eee oll Betti ate 38 
21 | Sept. 11 7 9 7 fad AM le dhe 2) [ily Weck 47 
22 Sept. 14 9 7 (JN Mod Bm ed vi 24 |= os 53 
23 | Sept. 17 3 10 51 al em erste ete ca 37 
24 | Sept. 20 4 5 Ph Ml et SM 5 a Oe 21 
25 Sept. 23 8 10 OR ee es hors ene eee 46 
26 | Sept. 26 3 4 SON Ig Daag fallen a de 20 
27 Sept. 29 2 2 NaS Wil eine Sebi eel i 13 
28 Oct. 2 4 3 1 P| ee eee eee (Copa ge 13 
29 Oct. 5 5 3 LU a nee tg om A AE I f 15 
30 Oct. 8 7 6 7A OT ee Re sete ol |S eee ae ee 29 
31 Oct. 11 9 12 gi geal a ae ee Mt ex 44 
32 Oct. 14 1 1 Dipl need eaten es a 5 
33 (Oye te SUC als A eae als BR ga ul Nee a gel aoa ent glad a lg eta calc ns 
34 Oct. 20 1 1 Le eoee S525 41 SSS aes 4 
35 Oct. 23 5 1 AL GS | ers eee ces | eens moe 16 
36 Oct. 26 2 i Bid i Nan ene ees old eae 6 
37 Oct. 29 3 2 Ge NLA eel Se BE 3 ae a ree 1/ 
38 Nov. 1 6 8 1iten| aera | eae eee 26 
39 Nov. 4 9 3 Aion Pete eee ce Roxen me 14 
40 Nova san |cs 8 26552 1 | |S aera ek | eee ent 2 
41 INO Vee LOR |e tteccece 3 (Or oe eee al lagen tere 6 
42 Nov. 13 2 5 Dies s eee tsb mt aks 2 9 
324 366 1,631 25 801 1,305 
TaBLE XXXIV.—Records of larvx collected from banded trees during 1909. Summary 
of Table XX XIII. 
Larve from band collections. P aoe 
arves irom upper Dands!-ce8.--22.neeseeee nee. 46.95 
Danvee from lower bands. g.5 se ceenis oe anos 53. 04 
Transforming larve of band collections........- 18. 74 
Wintering larve of band collections............ 81. 26 
Relative proportion of first-brood larve........ 83. 87 
Relative proportion of second-brood larve..... 16.13 
Transforming larve of first brood.............. 23. 46 
Wintering larve of first brood.................. 76. 54 
Few of the results here obtained have been based upon observa- 
tions made during the rearing in the laboratory. For instance, the 
two broods of larvee, which at the time of maturity overlap, could 
only be separated through rearing experiments. On comparing the 
