20 



Texas Ao>ricultur.4l Experiment Station 



Table 17. — Proportion of sex. 



The results that are given would seem to indicate a preponderance of 

 females and a tendency of the males to emerge somewhat ahead of the 

 females. 



Another collection of eighty-five larvae was made on November 29, 

 1912, and each larva was placed in a separate vial. The emergence 

 record of this collection is shown in table 18. 



Table 18. — Proportion of sex. 



In this case there were more females than males and the early emer- 

 gence of the males is more pronounced than in table 16. 



On November 30, 1912, another collection of sixty-one larvae was 

 made. These larvae were placed in separate vials to observe the emer- 

 The results are shown in table 19. 



gence of the adults. 



Table. 19. — Proportion of sex. 



