264 
REPORT OF THE DEPARTMENT OF ENTOMOLOGY OF THE 
Taste II].— Errect or K®RoSEND ON San JOSE Scag, 1900. 
Strength 
of oil. 
Per ct. 
15 
25 
50 
100 
Strength | 
of oil. 
Per ct. | 
15 
25 
50 
sprigs 1. 100° FLASH TEST (“ DISTILLATE “ae 
Oil applied Jan. 22. 
| 
| 
| 
| Kind of tree. | 

Apple..... | 
rd 
ra) 
roo) 
O 
= 
ae] 
© 
tp 
O 
Fe 

Date of 
examination. | 
April 9 
April 11 
April 11 
eee eee 
os Haale 

Condition of scale insects. 
Slightly infested when treated. No live 
insects. 
Slightly infested when treated. A few live 
insects. 
Slightly infested when treated. No live 
insects. 
Not infested. 
Not infested. 
Not infested. 
| Not infested. 


SERIES II. 
Kind of tree. 



150° FLASH TEST (‘ WATER WHITE”’). 
Oil applied Mar. 13. 
Date of 
examination. 
April 11 
April 11 
April 11 
April 14 
April 20 
April 9 
April 14 

Condition of scale insects. 
Only slightly infested when treated. No 
live specimens found. 
Slightly infested when treated. Live scales 
found, 
Slightly infested when treated. No live 
scales. 
Not infested. 
Slightly infested when treated. Four live 
scales. 
No live specimens found. 
No live scales found. 
| Slightly infested when treated. One live 
seale. 
No live specimens found. 
