90 



DECIDUOUS FRUIT INSECTS AND INSECTICIDES. 



Since the life cycle is considered to begin with the appearance of 

 the eggs, it becomes first completed with the appearance of eggs from 

 moths of the same generation. The average period between the 

 emergence of moths and first oviposition must therefore be added to 

 the life cycle and not, as might be thought, the length of life of the 

 moth (see Tables XXVI and XXVII). The sum total of the averages 

 for the stages together with the average of 5 days for the oviposition 

 (see Tables XXIV and XXV) makes 58.28 days; the average for the 

 life cycle of individuals reared through all stages together with 5 days 

 for oviposition was 58.68 days. 



Table XXIV. — Oviposition periods of moths of the first brood in rearing cages. 



Cage 

 No. 



Num- 

 ber of 

 moths. 



Date of— 



Days— 



Emer- 

 gence of 

 moth. 



First 

 ovi- 

 position. 



Last 

 ovi- 

 position. 



Before 

 ovipo- 

 sition. 



Length 



of 

 ovipo- 

 sition. 



Be- 

 tween 

 emer- 

 gence 

 and last 

 ovipo- 

 sition. 



1 

 2 

 3 

 4 

 5 

 6 

 7 

 8 

 9 

 10 

 11 

 12 

 13 

 14 

 15 

 16 

 17 

 18 

 19 

 20 

 21 

 22 

 23 

 24 

 25 

 26 



4 



7 



4 



8 



3 



8 



3 



7 



4 



6 



3 



4 



4 



4 



5 



7 



12 



17 



10 



14 



11 



10 



9 



6 



4 



6 



Aug. 2 

 Aug. 3 

 Aug. 4 

 Aug. 5 

 Aug. 6 

 Aug. 7 

 Aug. 8 

 Aug. 9 

 Aug. 10 

 Aug. 11 

 Aug. 12 

 Aug. 14 

 Aug. 15 

 Aug. 16 

 Aug. 17 

 Aug. 18 

 Aug. 19 

 Aug. 20 

 Aug. 21 

 Aug. 23 

 Aug. 25 

 Aug. 27 

 Aug. 29 

 Aug. 30 

 Sept. 3 

 Sept. 6 



Aug. 9 

 Aug. 6 

 Aug. 7 



...do 



Aug. 13 

 Aug. 9 



Aug. 12 

 Aug. 9 

 Aug. 10 

 Aug. 20 

 Aug. 13 

 Aug. 20 



7 

 3 

 3 

 2 



7 

 2 



4 



4 

 4 



14 

 1 



12 



10 

 6 

 6 



15 

 7 



13 



Aug. 13 



Aug. 25 



4 



13 



16 



Aug. 16 

 Aug. 25 



Aug. 20 

 Aug. 26 



5 

 13 



5 

 2 



9 

 14 



Aug. 19 

 Aug. 20 

 Aug. 24 

 Aug. 22 



...do 



Aug. 25 



...do 



Aug. 21 

 Aug. 26 

 Aug. 27 

 Aug. 28 

 Aug. 29 

 Aug. 31 

 Sept. 9 



4 



4 

 7 

 4 

 3 

 5 

 4 



3 



7 

 4 

 7 

 8 

 7 

 15 



6 

 10 

 10 

 10 

 10 

 11 

 19 



Aug. 28 

 Aug. 30 

 Sept. 2 



Sept. 4 

 Sept. 11 

 Sept. 12 



3 

 3 



5 



8 

 13 

 11 



10 

 15 

 14 



Sept. 11 

 Sept. 15 



Sept. 15 

 Sept. 22 



8 

 9 



5 



8 



12 , 

 16 



105 



155 



239 



Table XXV. — Oviposition periods of moths of the first brood. Summary of 



Table' XXIV. 



Observations. 



Days— 



Before 

 first ovi- 

 position. 



Length 

 of ovi- 

 position. 



Between 

 emergence 

 and last 

 oviposi- 

 tion. 



Average 



5.0 

 13 

 2 



7.38 

 15 



1 



11.38 

 19 

 6 





Minimum 





