50 
THE PLUM CURCULIO. 
TaBLE XII.—Length of egg stage of the plum curculio, Washington, D. C., 1905. 
Eggs under 
observa- 
tion. 
Approxi- 
Date of Total egg 
deposition. mate length Ss. 
of egg stage. 
Days. 
May 8..... 3.75 Sas) 
May 9-10.. 3. 75 150. 00 
May 9....- 4. 25 4. 25 
May 10-11. 4.00 240. 00 
May 15.... 3.75 150. 00 
May 18.... 5.00 150. 00 
May 19.... 4.75 47.50 
ace ie soe saleeeciaseece 745.50 
JUNC) 722-5 4.00 40. 00 
June 14.... 2. 50 55. 00 
ESGOr sees 215 68. 75 
June 28.... 3.50 3.50 
Bectiiheonate 3.00 3.00 
Leman ne cee eee emcee 170. 25 
Anbi hy il. sse 2.75 5.50 
July 11.. 2.75 5.50 
2ad0"~. 2.7. 2.75 
July 17.. 2.75 Dei 
16.50 
Total number of eggs...........-.-- 
Totalierpidays=2322sscna- scree 
Average 
length of 
egg stage, 
by months. 
Days. 
4.10 
2.88 
Average length of eggistage;idays:.. 2.2. .c222226c0 2. escece ace eee ees sean ee eee see ee nee 
Records of 140 eggs, covering the period from April 9 to June 16, 
1906, at Myrtle, Ga., are given in Table XIII. 
Although material 
under observation was kept in the laboratory, yet temperature con- 
ditions in this instance were not essentially different from those 
obtaining out of doors. 
TaBLE XIII.—Length of egg stage of the plum curculio, Myrtle, Ga., 1906. 
Eggs under 
observa- 
tion. 
Total number of eggs.............-. ee EE eC ane ote E EEE Opt On ac mene eaboSedé 
Total oBe GBYS Ss cose ce cies Se cle winnie wise wee eet OSs Ben nee eee eee eee Jenne seseneeteeeenecoe eee 
ength of egg stage, days... 2 ccc scseecewe ocacemscuntiiecewaewce uencneemeceseeeeaeeeeeerere 
Average 
Approxi- 
Date of Total egg 
sas mate length ss 
deposition. of egg stage. days. 
Days. 
Avpr.95-~ 2.75 2.75 
redOsesacee 3.00 3.00 
Apr. lees: 4.75 4.75 
Apr. 12.... 4.25 17.00 
JAspres 152... 5.50 44.00 
oasGOrwee aint 6. 75 13.50 
Apr. 20.... 5.25 152. 25 
eUOseacone 5. 25 52. 50 
Apr: 27.2. 4.00 152. 00 
Apr. 30.... 3.00 33.00 
Wore nteienvanic@a|weeeemne eareee 474.75 
Mayionesse 5. 75 51.75 
May 20.. 4.50 29. 00 
May 31.. 3. 25 32. 50 
Basetercacne bocangocasas 113. 25 
JUNC is. ace 3.00 9.00 
June 16.... 3.50 24. 50 
SA Ts Oe eictee 33.50 
Average 
length of 
egg stage, 
by months. 
Days. 
4.53 
