CODLING MOTH IN SANTA CLARA VALLEY. 



121 



Table VI. — Spring brood of pupae. Length of the pupal period for overwintering larvae 

 collected during 1909 on banded trees — Continued. 



No. of 



indi- 

 vidual. 



Sex 



of 



larva. 



141 

 142 

 143 

 144 

 145 

 140 

 147 

 14S 

 149 

 150 

 151 

 152 

 153 

 154 

 155 

 156 

 157 

 158 

 159 

 160 

 161 

 162 

 163 

 164 

 165 

 166 

 167 

 168 

 169 

 170 

 171 

 172 

 173 

 174 

 175 

 170 

 177 

 178 

 179 

 180 

 181 

 182 

 183 

 1S4 

 185 



Date of— 



Pupa- 

 tion. 



Mar. 18 

 ..do..... 

 ..do..... 

 ..do..... 

 ..do..... 

 ..do..... 

 ..do..... 

 ..do..... 

 ..do...., 

 ..do..... 

 ..do..... 

 ..do..... 

 ..do..... 

 ..do..... 

 Mar. 19 

 ..do..... 

 Mar. 20 

 ..do..... 

 ..do..... 

 ..do..... 

 ..do..... 

 ..do..... 

 ..do..... 

 ..do..... 

 ..do..... 

 ..do.... 

 Mar. 21 

 ..do.... 



..do 



Mar. 22 

 ..do.... 

 ..do.... 

 ..do.... 

 Mar. 23 

 Mar. 25 

 ..do..... 

 ..do..... 

 ..do..... 

 ..do.... 

 ..do..... 

 Mar. 26 

 ..do...., 

 ..do..... 

 ..do..... 

 ...do..... 



Emer- 

 gence. 



Apr. 29 



..do 



Apr. 28 



...do 



...do.... 

 Apr. 25 

 May 4 

 Apr. 28 

 May 2 

 Apr. 29 

 May 2 

 Apf. 28 

 Apr. 30 

 May 3 

 ..do..... 



...do 



..do..... 



...do 



May 2 

 May 3 



...do 



Apr. 29 

 May 3 

 Mav 2 

 Apr. 30 

 ...do..... 

 ...do..... 

 May 4 

 Apr. 30 

 Apr. 29 

 May 4 

 Apr. 24 

 Apr. 29 

 May 3 

 Apr. 30 

 Mav 15 

 May 2 

 May 6 

 May 4 

 Apr. 30 

 May 4 

 Apr. 30 

 May 3 

 Mav 2 

 May 3 



Sex 



of 



moth. 



Length 



of pupal 



stage. 



Days. 

 42 

 42 

 41 

 41 

 41 

 38 

 47 

 41 

 45 

 42 

 45 

 41 

 43 

 46 

 45 

 45 

 44 

 44 

 43 

 44 

 44 

 40 

 44 

 43 

 41 

 41 

 40 

 44 

 40 

 38 

 43 

 41 

 38 

 41 

 36 

 51 

 38 

 42 

 40 

 36 

 39 

 35 

 39 

 37 

 38 



No. of 



indi- 

 vidual. 



187 

 188 

 189 

 190 

 191 

 192 

 193 

 194 

 195 

 196 

 197 

 198 

 199 

 200 

 201 

 202 

 203 

 204 

 205 

 206 

 207 

 208 

 209 

 210 

 211 

 212 

 213 

 214 

 215 

 216 

 217 

 218 

 219 

 220 

 221 

 222 

 223 

 224 

 225 

 226 

 227 

 228 

 229 



Sex 



of 



larva. 



Date of- 



Pupa- 

 tion. 



Mar. 27 

 Mar. 29 



...do 



Mar. 30 



...do 



Mar. 31 



...do 



...do 



...do 



Apr. 1 

 Apr. 2 



...do 



...do 



...do 



...do 



Apr. 3 



...do 



Apr. 4 

 Apr. 5 



...do 



...do 



Apr. 6 

 Apr. 8 



...do 



...do 



...do 



Apr. 9 



I Apr. 11 



..do 



..do 



..do 



..do 



..do 



Apr. 12 

 Apr. 13 



..do 



Apr. 14 

 Apr. 18 

 ..do 



Apr. 20 



..do 



Apr. 24 



..do 



Apr. 25 



Emer- 

 gence. 



Sex 



of 



moth, 



Length 



of pupal 



stage. 



May 

 ..do, 

 May 

 May 

 May- 

 May 

 May 

 May 

 May 

 May 

 May 

 May 

 May 

 May 

 May 

 ..do 

 May 

 May 6 

 May 9 

 Mav 10 

 May 8 

 May 10 

 ..do.... 

 ..do.... 

 May 11 

 May 10 

 May- 



ID 



Mav 14 

 May 13 

 May 14 

 May 11 

 May 14 

 May 12 



..do 



May 15 

 May 13 



..do 



May 17 

 ..do 



May 20 

 ..do 



May 24 

 May 25 

 May 24 



Days. 

 38 

 36 

 37 

 37 

 36 

 36 

 37 

 36 

 38 

 36 

 37 

 35 

 37 

 35 

 37 

 36 

 37 

 32 

 34 

 35 

 30 

 34 

 32 

 32 

 33 

 32 

 34 

 33 

 32 

 33 

 30 

 33 

 32 

 30 

 32 

 30 

 29 

 29 

 29 

 30 

 30 

 30 

 31 

 29 



The variations in the length of the pupal periods, as shown in 

 Table VI, extended from 29 to 61 days. 



Table VII. — Spring brood of pupse. Variations in the length of the pupal period for 

 229 pupx as recorded in Table VI. 



Number 

 of pupa?. 



Days. 



Number 

 of pupa?. 



Days. 



Number 

 of pupa?. 



Days. 



Number 

 of pupa?. 



Days. 



4 

 6 

 2 

 7 

 5 

 4 



29 

 30 

 31 

 32 

 33 

 34 



4 



8 

 8 

 8 

 4 

 22 



35 

 36 

 37 

 38 

 39 

 40 



28 

 28 

 28 

 34 

 18 

 5 



41 

 42 

 43 

 44 

 45 

 46 



3 



1 



1 

 1 



47 

 49 

 51 

 61 



An examination of Table VI shows that larvae pupating in March 

 usually required several days longer for the pupal periods than larvse 

 pupating in April. 



