CODLING MOTH IN COLORADO. 



49 



Oviposition by moths of the spring brood. — The data obtained 

 from the oviposition studies of 1,449 female moths confined in 123 

 cages with 1,292 male moths are presented in Table XXXII. The 

 summarized figures give for the average number of days from the 

 time of emergence to day of first oviposition 6.07, maximum 13 days, 

 minimum 2 days ; average number of days of oviposition 13.38, maxi- 



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Fig. 19. — Time of emergence of codling moths of the spring brood, Grand Junction, 



Colo., 1916. 



mum 32 days, minimum 1 day ; average number of days from the date 

 of emergence to last oviposition 18.46, maximum 34 days, minimum 

 7 days. 



Number of eggs per female moth. — In connection with the ovi- 

 position studies of moths of the spring brood, it was found that the 

 average number of eggs per female moth was 11.34. 



19552°— 21 4 



