The Currant Fruit Fly. 



239 



TABLE 32. 



Quantity of Poisoned Bait Used, Dates of Application of Spray 

 and Data on Precipitation. 



Quantity 



Dates of 



Days spray 







of poisoned 



applica- 



remained on 



Dates, of 



Precipi- 



bait 



tions of 



bushes with- 



rainfall 



tation 



(gal.) 



spray 



out rain 







3 



May 29 



8 



June 7 

 8 

 10 

 11 



_ 

 .04 

 .87 

 .10 



3 



June 12 







12 



15 

 17 

 18 

 20 



.16 

 .30 

 .03 

 .65 



3 



21 



2 



23 



24 



26 



27 



28 



29 



30 



• July 1 



2 



3 



.06 

 .07 



.15 



.04 

 .35 

 .03 

 .11 



3 



July 3 



2 



5 



8 

 9 



.61 

 .32 



4.00 



12 





12 







— Indicates a trace of rain. 



In checking up the effectiveness of the poisoned bait spray 

 all of the gooseberry drops were gathered from June LVJuly 

 14, below two baited bushes and also under two check or control 

 gooseberry bushes located at a distance of 525 feet. A baited and 

 check gooseberry bush were growing in the shade of apple trees 

 and the other two were situated in the sunshine. On July 14, 

 all of the gooseberries from the four bushes were picked. Table 

 33, shows the results : 



TABLE 33. 



Infested Fruit on Baited and Check Gooseberry Bushes Including 

 Drops in ipij. 



Baited bush 

 in shade 



Baited bush 

 in sunshine 



Check bush 

 in shade 



Check bush 

 in sunshine 



33% 



17% 



79% 



23% 



