EMERGENCE in THE FIELD at VICTORIA, TEX., ix 1906. 53 



lions had been made it became apparent thai some method must be 

 adopted to enable the weevils found at each examination to be tils 

 tinguished. Ai each subsequent examination, therefore, the wee- 

 vils round were marked with a paint of a different color. Early in 

 the season the weevils emerging From hibernation were sufficiently 

 numerous to practically prevent the setting of fruit upon this area. 

 Tin 1 first weevils o\' a new generation did not begin to appeal- until 



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Fig. 2. Chart showing mean average temperature, rainfall, and weevil emergence, Dallas, Tex., March 



to May. 1906. 



about June 20. It was then easily possible to distinguish between 

 hibernated adults and those which were not more than (wo or three 

 weeks old. It is probable that the oil paints which were used may 

 have been responsible for the death <>f many of the weevils marked, 

 since it was hardly possible in the field to apply the paints with the 

 necessary care. 



