TABLE 15—Lire-H1story DATA ON PorTION OF SECOND GENERATION WHOSE LARVAE TRANSFORMED, OLNEY, 1915. 
LARVAE REARED IN APPLES ON TREE 
Length of life periods. 
Total effective day-degrees. 
RSS ee ee eee 
Ege Larva 1th Larva | Adult A ad Ee af ay ae ES gel: 
Bex: laid. hatched. aah. pupated emerged. a s as 8 35 iB sa te ate Pypetss sa | at 
b | BE) GS/s) 5 | we] wes | ESS | BSS | Be gees 
#189) §oiaes| aca lao | Sse) ae ee 
— = 
July 2)|July 11| July 31) Aug. 5 9 20 5 25 161 628 
F. Areal “ 14/ Aug. 3 «8 | Aug. 19 7 20 5 | 25 11 43 162 616 231 1009 1009 
M. hae AT i 4 cee | «kU «24 uf 24 oe me 14 48 162 664 273 1099 1099 
F. Snel aS) Se 338. ee | eer 6 27 4 3 14 51 132 750 257 1139 1140 
M. noe -HL eae liege ideale! uf | 45 162 1041 1041 
F. ii | ove a] co ALO se Pa ai 22 Be ik 2. 13 47 162 664 250 1076 1076 
M. ee Of aS) Gi aera | SANG «24 7 21 6 | 27 14 48 162 664 273 1099 1099 
F. cae | eral! ee bes: Se | 7 26 Ee fangs 1 14 51 162 721 257 1140 1140 
M. an | “4 big If “ 17/|Sept. 4 7 31 3 34 18 59 162 815 277 1254 1253 
F, eek fe sae 37.) «3 | Aug. 16 6 19 al 20 13 39 144 520 270 934 934 
M. eas} «14 “22 6 | 45 144 1089 1039 
F. fee ee a Te e 19 SG cement 6 26 7 33 11 50 144 791 188 1123 1122 
F. ike) aie Kc! eI} “ 17|Sept. 2 6 30 4 | 34 16 56 144 815 238 | 1197 1197 
KF. apr! Kt) oT, “14 “ 17|Sept. 3 He 28 3 | 31 17 55 196 127 255 | 1178 1175 
SUMMARY OF TABLE 15 
Degg. Larva in fruit. | Larva in cocoon. Larva. Pupa Degg, larva, and pupa. 
Total effective 
Sex. Period Period Period Period Period Period eae a 
No. in No. in No. in No. in No. in No. in 
days days. days days. days. days. Sum for | (50+)— 
| stages. | 2(86+) 
M. 5 6.8 3 25.3 3 4.0 3.| 29.3 | 3 15.3 5 49 | 1106 1106 
F. 8 6.5 8 24.8 8 4.1 8 | 29.0 | 8 13.6 8 49 1100 1099 
Und. 1 9.0 1 | 20.0 1 5.0 1 | 25.0 0 0 
M&F. 14 6.8 12 24.5 12 4.2 12 | 28.7 11 14.1 13 49 1102 1102 
