102 



PROTECTION OF PLANTS — 1923-24 



Egg Laying Records. — P. Macmurtrei. 



Date 

 1919 



June 



10 

 11 

 12 

 13 

 14 

 14 

 15 

 16 

 17 

 18 

 19 

 20 

 21 

 22 

 23 

 24 

 25 

 26 



e 1. 



female put in cage at noon 



oviposition began at 1.30 p.m. 

 68 eggs at 10 p.m. 



85 eggs at 6. p.m. 



48 



1 female died 



TOTAL DEPOSITION — 220 



Hatching began at 10 a.m. 



123 hatched by 7 p.m. 



1 



No records taken 



12 



5 



Cage 2. 



female put in cage at 9 p.m. 



oviposition began at 11 p.m. 



79 eggs at noon. 



45 



42 



female died total deposition — 166. 



Hatching began 10 a.m. 

 22 hatched by 7 p.m. 

 4 hatched by noon. 

 No records taken. 

 35 at noon. 

 4 at noon. 



Egg Laying Records. — P. Macmurtrei. 



Date 

 1919 Cage 3. Cage 4. 



10 June female put in cage at 7 p.m. 



ovipo.sition began in night. 



11 15 eggs at 9 a.m. female put in cage p.m. 



oviposition began at 5 p.m. 



15 6 9 

 semale died 



16 total deposition — 51 



17 1 



21 Hatching began 



22 17 hatched by 7 p.m. 61 



female died 



23 2 TOTAL deposition — 71 



24 No records taken. 



Summary. 



CAGE TOTAL DEPOSITION 



female No. 1 220 



" 2 220 



" 3 166 



" 4 71 



" 5 125 



Oviposition in Laboratory began June 10 



Hatching " " " " 21 



Oviposition " Field " " 14 



Hatching " " " '' 27 



Incubation period in Lab. 10 days. 



" Field 13 " 



Average period of deposition 7.5 " 



Cage 5. 



TOTAL DEPOSITION 125 



166 

 51 

 71 



125 



